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A050161 T(n,k)=S(2n+1,n-1,k-1), 0<=k<=n, n >= 0, array S as in A050157. 0
0, 1, 1, 3, 4, 5, 9, 14, 20, 21, 28, 48, 75, 83, 84, 90, 165, 275, 319, 329, 330, 297, 572, 1001, 1209, 1274, 1286, 1287, 1001, 2002, 3640, 4550, 4900, 4990, 5004, 5005, 3432, 7072, 13260, 17068, 18768, 19312, 19431, 19447 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..43.

FORMULA

T(n, k)=Sum{t(n, j): 0<=j<=k}, array t as in A050153.

EXAMPLE

Rows: {0}; {1,1}; {3,4,5}; ...

CROSSREFS

Sequence in context: A242800 A136259 A099560 * A195609 A117125 A000692

Adjacent sequences:  A050158 A050159 A050160 * A050162 A050163 A050164

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 15 21:06 EDT 2018. Contains 316237 sequences. (Running on oeis4.)