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A059275 Transform of A059226 applied to sequence 1, 1, 1, 1, 1, 1, 1, ... 1
1, 2, 8, 39, 214, 1274, 8028, 52698, 356630, 2470848, 17440690, 124981126, 906887612, 6650054278, 49202240010, 366856871768, 2753772204894, 20793368929970, 157831516488476, 1203618076715682, 9217256564429454, 70852472349915280 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..250

MATHEMATICA

T[i_, j_]:= T[i, j] = Module[{r, s, t1}, If[i == 0 && j == 0, Return[1]];

If[j == 0, Return[1]]; t1 = T[i, j - 1]; For[r = 0, r <= i - j, r++,

For[s = 0, s <= j, s++, If[r + s != i, t1 = t1 + T[r + s, s]]]];

Return[t1]]; Table[T[n, n], {n, 0, 25}] (* G. C. Greubel, Jan 04 2017 *)

CROSSREFS

Right diagonal of A059274. A059227 is transform of 1, 0, 0, 0, ...

Sequence in context: A236339 A292100 A185650 * A020047 A231496 A068107

Adjacent sequences:  A059272 A059273 A059274 * A059276 A059277 A059278

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 24 2001

STATUS

approved

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Last modified June 15 12:29 EDT 2021. Contains 345048 sequences. (Running on oeis4.)