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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.

A298695 G.f.: Sum_{n>=0} binomial(n^2, n) * x^n / (1 + x)^(n^2).

Table of values

n a(n)
0 1
1 1
2 5
3 61
4 1123
5 27671
6 853411
7 31603447
8 1365807689
9 67469763889
10 3749935785301
11 231591200859701
12 15733654527061483
13 1166102347943957815
14 93629607937879486019
15 8096167402408961507311
16 750088483178476669111441
17 74127049788588758257392161
18 7783440821906363883725443813
19 865349148215025766722403077229
20 101553078711812924877087765912371

List of values

[1, 1, 5, 61, 1123, 27671, 853411, 31603447, 1365807689, 67469763889, 3749935785301, 231591200859701, 15733654527061483, 1166102347943957815, 93629607937879486019, 8096167402408961507311, 750088483178476669111441, 74127049788588758257392161, 7783440821906363883725443813, 865349148215025766722403077229, 101553078711812924877087765912371]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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