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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.

A093334 Denominators of the coefficients of Euler-Ramanujan's harmonic number expansion into negative powers of a triangular number.

Table of values

n a(n)
1 12
2 120
3 630
4 1680
5 2310
6 360360
7 30030
8 1166880
9 17459442
10 193993800
11 223092870
12 486748080
13 579462
14 180970440
15 231415950150
16 493687360320
17 3085546002
18 15714504285480
19 62359143990
20 5382578744400
21 15465127383342
22 162015620206440
23 173062139765970
24 6139943741262240
25 77311562676150

List of values

[12, 120, 630, 1680, 2310, 360360, 30030, 1166880, 17459442, 193993800, 223092870, 486748080, 579462, 180970440, 231415950150, 493687360320, 3085546002, 15714504285480, 62359143990, 5382578744400, 15465127383342, 162015620206440, 173062139765970, 6139943741262240, 77311562676150]

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

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