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Search: id:A143966
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| A143966 |
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Eigentriangle with row sums = A001333 starting (1, 3, 7, 17, 41, 99,...). |
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+0 2
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| 1, 2, 1, 2, 2, 3, 2, 2, 6, 7, 2, 2, 6, 14, 17, 2, 2, 6, 14, 34, 41, 2, 2, 6, 14, 34, 82, 99, 2, 2, 6, 14, 34, 82, 198, 239, 2, 2, 6, 14, 34, 82, 198, 478, 577
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Right border = A001333.
Row sums = shifted A001333: (1, 3, 7, 17, 41, 99,...) = INVERT transform of (1, 2, 2, 2,...). Sum of n-th row terms = rightmost term of next row.
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FORMULA
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n-th row of the triangle = n terms of twice A001333: (1, 1, 3, 7, 17, 41, 99,...) followed by A001333(n).
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EXAMPLE
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First few rows of the triangle =
1;
2, 1;
2, 2, 3;
2, 2, 6, 7;
2, 2, 6, 14, 17;
2, 2, 6, 14, 34, 41;
2, 2, 6, 14, 34, 82, 99;
2, 2, 6, 14, 34, 82, 198, 239;
...
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CROSSREFS
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A001333
Sequence in context: A096004 A071068 A137735 this_sequence A029363 A033922 A008624
Adjacent sequences: A143963 A143964 A143965 this_sequence A143967 A143968 A143969
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 06 2008
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