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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.

A377215 Expansion of 1/(1 - 4*x^2/(1-x))^(5/2).

Table of values

n a(n)
0 1
1 0
2 10
3 10
4 80
5 150
6 640
7 1550
8 5190
9 13870
10 41912
11 115650
12 333490
13 925970
14 2607540
15 7220062
16 20053700
17 55230870
18 152005380
19 416295350
20 1137980678
21 3100453710
22 8429823180
23 22862244210
24 61882724100
25 167159512794
26 450739897980
27 1213298505770
28 3260824389510

List of values

[1, 0, 10, 10, 80, 150, 640, 1550, 5190, 13870, 41912, 115650, 333490, 925970, 2607540, 7220062, 20053700, 55230870, 152005380, 416295350, 1137980678, 3100453710, 8429823180, 22862244210, 61882724100, 167159512794, 450739897980, 1213298505770, 3260824389510]

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

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