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.

A024200 a(0) = 1, a(1) = 0, a(n+1) = 2*a(n) + (2*n-1)^2*a(n-1).

Table of values

n a(n)
0 1
1 0
2 1
3 2
4 29
5 156
6 2661
7 24198
8 498105
9 6440760
10 156833865
11 2638782090
12 74441298645
13 1544798322900
14 49615408298925
15 1225388793991950
16 44177335967379825
17 1265953302961023600
18 50641025474398676625
19 1652074847076051263250
20 72631713568603890826125
21 2658069269539881753055500

List of values

[1, 0, 1, 2, 29, 156, 2661, 24198, 498105, 6440760, 156833865, 2638782090, 74441298645, 1544798322900, 49615408298925, 1225388793991950, 44177335967379825, 1265953302961023600, 50641025474398676625, 1652074847076051263250, 72631713568603890826125, 2658069269539881753055500]