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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.

A319143 G.f. A(x) satisfies: [x^(n-1)] (1+x)^(n^3) / A(x)^(n^2) = 0 for n>1.

Table of values

n a(n)
0 1
1 2
2 5
3 190
4 24444
5 6189050
6 2551526428
7 1545212826174
8 1288051774444110
9 1412705106844118046
10 1971892031185697252554
11 3413903325218336008192250
12 7181500581229611492081984526
13 18048175081484797766245697300090
14 53425898749319275351535742806432314
15 184046820557885265127311961578368691278
16 730192327635057505047728578528016106455194

List of values

[1, 2, 5, 190, 24444, 6189050, 2551526428, 1545212826174, 1288051774444110, 1412705106844118046, 1971892031185697252554, 3413903325218336008192250, 7181500581229611492081984526, 18048175081484797766245697300090, 53425898749319275351535742806432314, 184046820557885265127311961578368691278, 730192327635057505047728578528016106455194]

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

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