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.

A143549 G.f. A(x) satisfies A(x) = 1 + x*A(x)^4*A(-x).

Table of values

n a(n)
0 1
1 1
2 3
3 17
4 85
5 598
6 3473
7 26668
8 166429
9 1340079
10 8724438
11 72374714
12 484498327
13 4102336176
14 28009706440
15 240729330116
16 1668007246157
17 14499527706129
18 101618389067849
19 891275643857227
20 6303425058175018
21 55686806813191060

List of values

[1, 1, 3, 17, 85, 598, 3473, 26668, 166429, 1340079, 8724438, 72374714, 484498327, 4102336176, 28009706440, 240729330116, 1668007246157, 14499527706129, 101618389067849, 891275643857227, 6303425058175018, 55686806813191060]

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

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