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Search: id:A102661
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| A102661 |
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Triangle of partial sums of Stirling numbers of 2nd kind (cf. A048993): T(n,k) = Sum_{i=1..k} Stirling2(n,i), 1<=k<=n. |
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4
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| 1, 1, 2, 1, 4, 5, 1, 8, 14, 15, 1, 16, 41, 51, 52, 1, 32, 122, 187, 202, 203, 1, 64, 365, 715, 855, 876, 877, 1, 128, 1094, 2795, 3845, 4111, 4139, 4140, 1, 256, 3281, 11051, 18002, 20648, 21110, 21146, 21147, 1, 512, 9842, 43947, 86472, 109299, 115179, 115929
(list; table; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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1; 1,2; 1,4,5; 1,8,14,15; 1,16,41,51,52; ....
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CROSSREFS
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Cf. A008949, A049444.
Adjacent sequences: A102658 A102659 A102660 this_sequence A102662 A102663 A102664
Sequence in context: A121289 A134248 A080935 this_sequence A121574 A117317 A124237
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Vladeta Jovovic (vladeta(AT)Eunet.yu), Feb 03 2005
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