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.

A385946 a(0) = 1; a(n) = Sum_{k=0..n-1} binomial(k+4,4) * binomial(n-1,k) * a(k) * a(n-1-k).

Table of values

n a(n)
0 1
1 1
2 6
3 106
4 4176
5 316696
6 42104392
7 9172761368
8 3106804304704
9 1567537597699840
10 1137145604406018176
11 1151190083860345401984
12 1585522852991230263395584
13 2906652632758146061798315776
14 6959140466024956612239458880000
15 21400639132670591710876896798678016

List of values

[1, 1, 6, 106, 4176, 316696, 42104392, 9172761368, 3106804304704, 1567537597699840, 1137145604406018176, 1151190083860345401984, 1585522852991230263395584, 2906652632758146061798315776, 6959140466024956612239458880000, 21400639132670591710876896798678016]