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Search: id:A137650
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| 1, 2, 1, 5, 4, 1, 15, 14, 7, 1, 52, 51, 36, 11, 1, 203, 202, 171, 81, 16, 1, 877, 876, 813, 512, 162, 22, 1, 4140, 4139, 4012, 3046, 1345, 295, 29, 1, 21147, 21146, 20891, 17866, 10096, 3145, 499, 37, 1, 115975, 115974, 115463
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Left column = Bell numbers (A000110) starting (1, 2, 5, 15, 52, 203,...). Row sums = A005493(n+1): (1, 3, 10, 37, 151, 674,...).
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FORMULA
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A008277 * A000012 as infinite lower triangular matrices. Partial sums of A008277 rows starting from the right.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
5, 4, 1;
15, 14, 7, 1;
52, 51, 36, 11, 1;
203, 202, 171, 81, 16, 1;
877, 876, 813, 512, 162, 22, 1;
...
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CROSSREFS
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Cf. A000110, A008277, A005493.
Adjacent sequences: A137647 A137648 A137649 this_sequence A137651 A137652 A137653
Sequence in context: A128738 A126181 A104259 this_sequence A110271 A073107 A103718
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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), Feb 01 2008
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