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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.

A382539 Expansion of 1/(1 - x/(1 - 4*x)^(1/2))^2.

Table of values

n a(n)
0 1
1 2
2 7
3 28
4 117
5 498
6 2139
7 9232
8 39953
9 173162
10 751103
11 3259132
12 14142973
13 61367542
14 266223083
15 1154592752
16 5005724185
17 21694354406
18 93985418399
19 407009142836
20 1761880487509
21 7623911365210
22 32976925264827
23 142585750821408
24 616281411472257
25 2662702949358158

List of values

[1, 2, 7, 28, 117, 498, 2139, 9232, 39953, 173162, 751103, 3259132, 14142973, 61367542, 266223083, 1154592752, 5005724185, 21694354406, 93985418399, 407009142836, 1761880487509, 7623911365210, 32976925264827, 142585750821408, 616281411472257, 2662702949358158]

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

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