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.

A323574 G.f. A(x) satisfies: 1 = Sum_{n>=0} 2^n * ((1+x)^n - 1)^n / (A(x) + 2 - 2*(1+x)^n)^(n+1).

Table of values

n a(n)
0 1
1 2
2 20
3 320
4 7996
5 269272
6 11293792
7 563253696
8 32433009160
9 2113347523336
10 153579286783456
11 12309659862402976
12 1078628781953636960
13 102578628758305245024
14 10523148808846566898816
15 1158407291029244188955264
16 136214299772837816557703120
17 17040721610970237566148646464
18 2260018461602151565512432884608
19 316748455363386162460484685488512

List of values

[1, 2, 20, 320, 7996, 269272, 11293792, 563253696, 32433009160, 2113347523336, 153579286783456, 12309659862402976, 1078628781953636960, 102578628758305245024, 10523148808846566898816, 1158407291029244188955264, 136214299772837816557703120, 17040721610970237566148646464, 2260018461602151565512432884608, 316748455363386162460484685488512]