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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.

A383261 Expansion of e.g.f. f(x) * exp(2 * f(x)), where f(x) = (exp(3*x) - 1)/3.

Table of values

n a(n)
0 0
1 1
2 7
3 57
4 527
5 5441
6 61959
7 770281
8 10364671
9 149854545
10 2313932471
11 37963374329
12 658873048623
13 12050610195937
14 231496456566631
15 4657345160220681
16 97873704021590111
17 2143496712532350833
18 48821033290172899095
19 1154261436241093805593
20 28279753601438144211343

List of values

[0, 1, 7, 57, 527, 5441, 61959, 770281, 10364671, 149854545, 2313932471, 37963374329, 658873048623, 12050610195937, 231496456566631, 4657345160220681, 97873704021590111, 2143496712532350833, 48821033290172899095, 1154261436241093805593, 28279753601438144211343]

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

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