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.

A326288 E.g.f.: Sum_{n>=0} 4^n * (exp(n*x) - 1)^n / n!.

Table of values

n a(n)
0 1
1 4
2 68
3 2116
4 98436
5 6217924
6 503491204
7 50282169284
8 6023071906180
9 847321700204740
10 137695169475601540
11 25505309294030757316
12 5326002105122774427524
13 1242268006104279981404868
14 321107726934189274515747460
15 91359880704866957348006879172
16 28441686041231472428045000672644
17 9637951929231839144943126955386052
18 3538621024404268912313596289954242692
19 1401869934089183216934147248975602680260

List of values

[1, 4, 68, 2116, 98436, 6217924, 503491204, 50282169284, 6023071906180, 847321700204740, 137695169475601540, 25505309294030757316, 5326002105122774427524, 1242268006104279981404868, 321107726934189274515747460, 91359880704866957348006879172, 28441686041231472428045000672644, 9637951929231839144943126955386052, 3538621024404268912313596289954242692, 1401869934089183216934147248975602680260]

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

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