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.

A216507 E.g.f. exp( x^2 * exp(x) ).

Table of values

n a(n)
0 1
1 0
2 2
3 6
4 24
5 140
6 870
7 5922
8 45416
9 381096
10 3442410
11 33382910
12 345803172
13 3801763836
14 44156760830
15 539962736250
16 6929042527920
17 93032248209872
18 1303556965679826
19 19018807375195638
20 288341417011487420
21 4534168069704168420
22 73829219253218066022
23 1242905562198878544626

List of values

[1, 0, 2, 6, 24, 140, 870, 5922, 45416, 381096, 3442410, 33382910, 345803172, 3801763836, 44156760830, 539962736250, 6929042527920, 93032248209872, 1303556965679826, 19018807375195638, 288341417011487420, 4534168069704168420, 73829219253218066022, 1242905562198878544626]

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

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