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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.

A096049 a(n) = [B(2n,5)/B(2n)] ( [x] = floor(x), see comment for B(n,k) definition ).

Table of values

n a(n)
0 1
1 31
2 745
3 18397
4 458545
5 11455304
6 286331664
7 7157976493
8 178947452208
9 4473674081283
10 111841775707840
11 2796043915880138
12 69901094917491465
13 1747527354316971026
14 43688183741551848165
15 1092204592811481165247
16 27305114815741345242261
17 682627870365123204281633

List of values

[1, 31, 745, 18397, 458545, 11455304, 286331664, 7157976493, 178947452208, 4473674081283, 111841775707840, 2796043915880138, 69901094917491465, 1747527354316971026, 43688183741551848165, 1092204592811481165247, 27305114815741345242261, 682627870365123204281633]

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

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