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.

A088930 Sum of first n terms of A(x)^n is A087457(n) for n>=1.

Table of values

n a(n)
0 1
1 2
2 4
3 9
4 23
5 67
6 220
7 795
8 3086
9 12633
10 53844
11 236833
12 1068313
13 4919512
14 23047579
15 109563206
16 527401808
17 2566472416
18 12608536729
19 62465984781
20 311796289951
21 1566778163225
22 7920718997762
23 40261922412697
24 205675725994566

List of values

[1, 2, 4, 9, 23, 67, 220, 795, 3086, 12633, 53844, 236833, 1068313, 4919512, 23047579, 109563206, 527401808, 2566472416, 12608536729, 62465984781, 311796289951, 1566778163225, 7920718997762, 40261922412697, 205675725994566]

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

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