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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.

A300593 O.g.f. A(x) satisfies: [x^n] exp( n^2 * A(x) ) = n^3 * [x^(n-1)] exp( n^2 * A(x) ) for n>=1.

Table of values

n a(n)
1 1
2 6
3 216
4 18016
5 2718575
6 667151244
7 249904389518
8 136335045655680
9 104258627494173747
10 108236370325030253850
11 148475074256982964816314
12 263023328027145941803648512
13 590040725672004981627313856146
14 1648073412972421008768279297745708
15 5648002661974709728272920853918580200
16 23444503972399728196572891896057248430080

List of values

[1, 6, 216, 18016, 2718575, 667151244, 249904389518, 136335045655680, 104258627494173747, 108236370325030253850, 148475074256982964816314, 263023328027145941803648512, 590040725672004981627313856146, 1648073412972421008768279297745708, 5648002661974709728272920853918580200, 23444503972399728196572891896057248430080]

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

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