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Search: id:A104579
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| A104579 |
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A Padovan-Jacobsthal convolution triangle. |
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+0
1
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| 1, 0, 1, 1, 0, 1, 2, 2, 0, 1, 1, 4, 3, 0, 1, 4, 3, 6, 4, 0, 1, 5, 12, 6, 8, 5, 0, 1, 6, 16, 24, 10, 10, 6, 0, 1, 13, 24, 34, 40, 15, 12, 7, 0, 1, 16, 53, 60, 60, 60, 21, 14, 8, 0, 1, 25, 72, 135, 120, 95, 84, 28, 16, 9, 0, 1, 42, 126, 200, 275, 210, 140, 112, 36, 18, 10, 0, 1, 57, 220, 381
(list; table; graph; listen)
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OFFSET
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0,7
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COMMENT
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First column is A052947. Row sums are A077947. Diagonal sums are A052907.
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FORMULA
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Riordan array (1/(1-x^2-2x^3), x(1-x^2-2x^3))
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EXAMPLE
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Rows begin {1},{0,1},{1,0,1},{2,2,0,1},{1,4,3,0,1},{4,3,6,4,0,1},..
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CROSSREFS
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Sequence in context: A112185 A112555 A108561 this_sequence A079531 A134178 A059018
Adjacent sequences: A104576 A104577 A104578 this_sequence A104580 A104581 A104582
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Mar 16 2005
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