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.

A279284 Self-composition of the pentagonal numbers; g.f.: A(x) = G(G(x)), where G(x) = g.f. of A000326.

Table of values

n a(n)
0 0
1 1
2 10
3 74
4 469
5 2662
6 14115
7 71360
8 348143
9 1652200
10 7669883
11 34969286
12 157060011
13 696514465
14 3055404733
15 13277356490
16 57222978070
17 244831062184
18 1040760406476
19 4398642943496
20 18493603597214
21 77388169532299
22 322451025667910
23 1338291853544522
24 5534486308363461
25 22812231761335189
26 93741611639348947
27 384122032722040412

List of values

[0, 1, 10, 74, 469, 2662, 14115, 71360, 348143, 1652200, 7669883, 34969286, 157060011, 696514465, 3055404733, 13277356490, 57222978070, 244831062184, 1040760406476, 4398642943496, 18493603597214, 77388169532299, 322451025667910, 1338291853544522, 5534486308363461, 22812231761335189, 93741611639348947, 384122032722040412]

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

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