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.

A266520 E.g.f.: log( Sum_{n>=0} (n+1)^(2*n) * x^n/n! ).

Table of values

n a(n)
1 4
2 65
3 3252
4 319422
5 51147492
6 12057585792
7 3922351554132
8 1682965461982320
9 921043932965502660
10 626381920753520549760
11 518386843395242486312436
12 513135100084662037473481728
13 598802670522558079363471420836
14 813678320999818358850938259419136
15 1273853548265201707125719549854268820
16 2276462439285471707026207820594795624448

List of values

[4, 65, 3252, 319422, 51147492, 12057585792, 3922351554132, 1682965461982320, 921043932965502660, 626381920753520549760, 518386843395242486312436, 513135100084662037473481728, 598802670522558079363471420836, 813678320999818358850938259419136, 1273853548265201707125719549854268820, 2276462439285471707026207820594795624448]