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.

A126444 a(n) = Sum_{k=0..n-1} C(n-1,k)*a(k)*a(n-1-k)*2^k for n>0, with a(0)=1.

Table of values

n a(n)
0 1
1 1
2 3
3 19
4 225
5 4801
6 185523
7 13298659
8 1815718305
9 481790947681
10 251592291767043
11 260427247041910099
12 536497603929547755585
13 2204489516030261302702561
14 18090090482887693483393912563
15 296659627048147988400872084439139

List of values

[1, 1, 3, 19, 225, 4801, 185523, 13298659, 1815718305, 481790947681, 251592291767043, 260427247041910099, 536497603929547755585, 2204489516030261302702561, 18090090482887693483393912563, 296659627048147988400872084439139]