cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A059275 Transform of A059226 applied to sequence 1, 1, 1, 1, 1, 1, 1, ...

Original entry on oeis.org

1, 2, 8, 39, 214, 1274, 8028, 52698, 356630, 2470848, 17440690, 124981126, 906887612, 6650054278, 49202240010, 366856871768, 2753772204894, 20793368929970, 157831516488476, 1203618076715682, 9217256564429454, 70852472349915280
Offset: 0

Views

Author

N. J. A. Sloane, Jan 24 2001

Keywords

Crossrefs

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

Programs

  • 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 *)