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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.

A371387 Expansion of (1/x) * Series_Reversion( x * (1-4*x)^3 / (1-x) ).

Table of values

n a(n)
0 1
1 11
2 205
3 4647
4 116873
5 3135635
6 87924597
7 2545845135
8 75534363601
9 2284439539035
10 70166186106333
11 2182759455876663
12 68630655620066265
13 2177561996773904483
14 69632831106680348165
15 2241852665024904670239
16 72608750028928583936673

List of values

[1, 11, 205, 4647, 116873, 3135635, 87924597, 2545845135, 75534363601, 2284439539035, 70166186106333, 2182759455876663, 68630655620066265, 2177561996773904483, 69632831106680348165, 2241852665024904670239, 72608750028928583936673]

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

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