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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.

A371365 Expansion of (1/x) * Series_Reversion( x * (1-4*x)^3 / (1-3*x) ).

Table of values

n a(n)
0 1
1 9
2 141
3 2701
4 57513
5 1307553
6 31083925
7 763267077
8 19208408721
9 492817411705
10 12842067417309
11 338956669920189
12 9042967461581753
13 243464712274093713
14 6606427290991922277
15 180492205687604057013
16 4960765361688213527073

List of values

[1, 9, 141, 2701, 57513, 1307553, 31083925, 763267077, 19208408721, 492817411705, 12842067417309, 338956669920189, 9042967461581753, 243464712274093713, 6606427290991922277, 180492205687604057013, 4960765361688213527073]

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

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