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.

A303061 G.f. A(x) satisfies: [x^(n-1)] (1+x)^(n*(n-1)) / A(x)^n = 0 for n>1.

Table of values

n a(n)
0 1
1 1
2 1
3 7
4 87
5 1667
6 42971
7 1387941
8 53739797
9 2421203261
10 124265293581
11 7150727869627
12 455701200668539
13 31846907669892495
14 2421141672213472919
15 198897819736367366729
16 17556316040185549675881
17 1656973308228250148662329
18 166509657562826568857464281
19 17749793745710561363581851663
20 2000554650909636157531234301439

List of values

[1, 1, 1, 7, 87, 1667, 42971, 1387941, 53739797, 2421203261, 124265293581, 7150727869627, 455701200668539, 31846907669892495, 2421141672213472919, 198897819736367366729, 17556316040185549675881, 1656973308228250148662329, 166509657562826568857464281, 17749793745710561363581851663, 2000554650909636157531234301439]