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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.

A294832 Denominators of the partial sums of the reciprocals of the numbers (k + 1)*(5*k + 4) = 2*A005476(k+1), for k >= 0.

Table of values

n a(n)
0 4
1 36
2 252
3 1197
4 47880
5 1388520
6 23604840
7 153431460
8 843873030
9 2953555605
10 17721333630
11 2091117368340
12 33457877893440
13 769531191549120
14 28472654087317440
15 2249339672898077760
16 2249339672898077760
17 200191230887928920640
18 9408987851732659270080
19 1881797570346531854016

List of values

[4, 36, 252, 1197, 47880, 1388520, 23604840, 153431460, 843873030, 2953555605, 17721333630, 2091117368340, 33457877893440, 769531191549120, 28472654087317440, 2249339672898077760, 2249339672898077760, 200191230887928920640, 9408987851732659270080, 1881797570346531854016]

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

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