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A103719
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Column m=2 sequence of triangle A103718(n,m), n>=0, (without leading zeros).
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1
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1, 7, 45, 310, 2359, 19901, 185408, 1896380, 21163076, 256176052, 3345574440, 46910470152, 703146058224, 11222813318544, 190069993713024, 3404916420352128, 64333503601542144, 1278725806081645056
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n)= |S1(n+3, 3)| + |S1(n+3, 4)|= |S1(n+4, 4)|-(n+2)*|S1(n+3, 4)|, with S1(n, m):= A048994(n, m), n>=>m=0 (Stirling1 triangle).
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CROSSREFS
| Sequence in context: A115194 A062274 A143835 * A134437 A018927 A001266
Adjacent sequences: A103716 A103717 A103718 * A103720 A103721 A103722
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KEYWORD
| nonn,easy
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Feb 24 2005
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