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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.

A369722 Expansion of e.g.f. exp( (3/2) * (1-sqrt(1-4*x)) ).

Table of values

n a(n)
0 1
1 3
2 15
3 117
4 1305
5 19323
6 359559
7 8084205
8 213425361
9 6475518675
10 222088463199
11 8497641269637
12 358899729493545
13 16585866328129803
14 832523413971932055
15 45105537151437499197
16 2623613865509122341921
17 163070009495928522691875

List of values

[1, 3, 15, 117, 1305, 19323, 359559, 8084205, 213425361, 6475518675, 222088463199, 8497641269637, 358899729493545, 16585866328129803, 832523413971932055, 45105537151437499197, 2623613865509122341921, 163070009495928522691875]

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

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