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.

A153854 Nonzero coefficients of g.f.: A(x) = G(G(G(G(x)))) where G(x) = x + G(G(x))^3 is the g.f. of A153851.

Table of values

n a(n)
1 1
2 4
3 42
4 594
5 9827
6 179928
7 3545637
8 73988631
9 1618178067
10 36832568283
11 868184365137
12 21113629246953
13 528282055072773
14 13569770211307323
15 357215846155083585
16 9623529095387448543
17 265025641890780905892

List of values

[1, 4, 42, 594, 9827, 179928, 3545637, 73988631, 1618178067, 36832568283, 868184365137, 21113629246953, 528282055072773, 13569770211307323, 357215846155083585, 9623529095387448543, 265025641890780905892]

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

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