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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.

A268329 Expansion of (1 - sqrt(1 - 4*x))^5/16.

Table of values

n a(n)
5 2
6 10
7 40
8 150
9 550
10 2002
11 7280
12 26520
13 96900
14 355300
15 1307504
16 4828850
17 17895150
18 66533250
19 248124000
20 927983760
21 3479939100
22 13082337900
23 49295766000
24 186156379500
25 704415740028
26 2670587146260
27 10142836030240
28 38586876202000
29 147029304149000

List of values

[2, 10, 40, 150, 550, 2002, 7280, 26520, 96900, 355300, 1307504, 4828850, 17895150, 66533250, 248124000, 927983760, 3479939100, 13082337900, 49295766000, 186156379500, 704415740028, 2670587146260, 10142836030240, 38586876202000, 147029304149000]

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

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