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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.

A370226 a(n) = n!^2 * [x^n] polylog(2,x)^4.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 576
5 14400
6 424800
7 16405200
8 827179584
9 53370793728
10 4311612000000
11 427527300499200
12 51134102684222976
13 7266620131443459072
14 1211052516384021083136
15 234033301581064751001600
16 51924413277653839769124864
17 13111663349134716037934874624
18 3739245464888523341104099885056

List of values

[0, 0, 0, 0, 576, 14400, 424800, 16405200, 827179584, 53370793728, 4311612000000, 427527300499200, 51134102684222976, 7266620131443459072, 1211052516384021083136, 234033301581064751001600, 51924413277653839769124864, 13111663349134716037934874624, 3739245464888523341104099885056]

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

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