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Search: id:A059982
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| A059982 |
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Symmetric array of numeric partitions related to 1 4 9 16 ... and 1 3 4 7 13 ..., read by rows. |
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+0
1
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| 1, 1, 1, 1, 1, 2, 1, 2, 3, 2, 1, 3, 5, 3, 1, 1, 5, 7, 5, 1, 2, 7, 11, 7, 2, 3, 11, 15, 11, 3, 5, 15, 22, 15, 5, 1, 7, 22, 30, 22, 7, 1, 1, 11, 30, 42, 30, 11, 1, 2, 15, 42, 56, 42, 15, 2, 3, 22, 56, 77, 56, 22, 3, 5, 30, 77, 101, 77, 30, 5, 7, 42, 101, 135, 101, 42, 7, 11, 56, 135, 176
(list; graph; listen)
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OFFSET
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0,6
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COMMENT
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Begin with row zero and generate a column of values using the sequence of numeric partitions (A000041). At rows 1 4 9 16 25 ... A000290, generate two new columns one each to the left and right of existing columns. Note that the row sums appear to be A029552.
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REFERENCES
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Kass, Moody, Patera and Slansky (1990), Affine Lie Algebras, Weight Multiplicities and Branching Rules. University of California Press. Vol. I, page 108.
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EXAMPLE
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The array begins:
........................1
................1.......1.......1
................1.......2.......1
................2.......3.......2
........1.......3.......5.......3.......1
........1.......5.......7.......5.......1
........2.......7.......11......7.......2
........3.......11......15......11......3
........5.......15......22......15......5
1.......7.......22......30......22......7.......1
1.......11......30......42......30......11......1
2.......15......42......56......42......15......2
3.......22......56......77......56......22......3
5.......30......77......101.....77......30......5
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CROSSREFS
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A000041, A000290, A029552 and A049597.
Sequence in context: A111944 A109814 A133088 this_sequence A134388 A055095 A048685
Adjacent sequences: A059979 A059980 A059981 this_sequence A059983 A059984 A059985
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KEYWORD
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easy,nonn,tabf
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AUTHOR
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Alford Arnold (Alford1940(AT)aol.com), Mar 06 2001
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