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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.

A375516 a(n) is the denominator of Sum_{k = 1..n} 1 / (k*A374663(k)).

Table of values

n a(n)
0 1
1 2
2 4
3 12
4 48
5 1200
6 241200
7 9696481200
8 11752718467440661200
9 15347376819435640471203267700016821200
10 23554197523775043569951631809272942045755944094320810352530343995293765200

List of values

[1, 2, 4, 12, 48, 1200, 241200, 9696481200, 11752718467440661200, 15347376819435640471203267700016821200, 23554197523775043569951631809272942045755944094320810352530343995293765200]

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

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