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.

A385979 a(0) = 1; a(n) = Sum_{k=0..n-1} (k+1) * binomial(k+2,2) * binomial(n-1,k) * a(k) * a(n-1-k).

Table of values

n a(n)
0 1
1 1
2 7
3 145
4 6449
5 522096
6 69506737
7 14186121706
8 4212887224905
9 1747635451186240
10 979909591959562571
11 722787600597422326704
12 685585597413868516073953
13 820283211774547803576454720
14 1217648676024408903145299884925
15 2210504358495882876855897821031376

List of values

[1, 1, 7, 145, 6449, 522096, 69506737, 14186121706, 4212887224905, 1747635451186240, 979909591959562571, 722787600597422326704, 685585597413868516073953, 820283211774547803576454720, 1217648676024408903145299884925, 2210504358495882876855897821031376]