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A100578 Table read by rows: T(n,k) = if n<=k then n else Sum(T(n-i,k):1<=i<=k), 1<=k<=n, triangle read by rows. +0
1
1, 1, 2, 1, 3, 3, 1, 5, 6, 4, 1, 8, 11, 10, 5, 1, 13, 20, 19, 15, 6, 1, 21, 37, 36, 29, 21, 7, 1, 34, 68, 69, 56, 41, 28, 8, 1, 55, 125, 134, 109, 80, 55, 36, 9, 1, 89, 230, 258, 214, 157, 108, 71, 45, 10, 1, 144, 423, 497, 423, 310, 213, 140, 89, 55, 11, 1, 233, 778, 958, 831 (list; table; graph; listen)
OFFSET

1,3

COMMENT

T(n,1) = 1; T(n,n) = n;

T(n,2) = A000045(n+1) for n>1;

T(n,3) = A001590(n+2) for n>2;

T(n,n-2) = A0028387(n-3) for n>2;

T(n,n-1) = A000217(n-1) for n>1;

CROSSREFS

Sequence in context: A089944 A097351 A048600 this_sequence A061315 A122075 A127119

Adjacent sequences: A100575 A100576 A100577 this_sequence A100579 A100580 A100581

KEYWORD

nonn,tabl

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Nov 29 2004

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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