cp's OEIS Frontend

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.

A294512 Denominators of partial sums of the reciprocals of octagonal numbers.

Table of values

n a(n)
0 1
1 8
2 168
3 420
4 5460
5 14560
6 276640
7 3043040
8 136936800
9 136936800
10 4245040800
11 72165693600
12 2670130663200
13 2670130663200
14 114815618517600
15 1320379612952400
16 9242657290666800
17 3080885763555600
18 280080523959600
19 8122335194828400
20 165154148961510800
21 14533565108612950400
22 973748862277067676800

List of values

[1, 8, 168, 420, 5460, 14560, 276640, 3043040, 136936800, 136936800, 4245040800, 72165693600, 2670130663200, 2670130663200, 114815618517600, 1320379612952400, 9242657290666800, 3080885763555600, 280080523959600, 8122335194828400, 165154148961510800, 14533565108612950400, 973748862277067676800]

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

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