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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.

A159993 Denominator of Sum_{k=0..n} A159990(k)/A159991(k), numerator=A159992.

Table of values

n a(n)
0 1
1 30
2 3600
3 36000
4 4320000
5 24300000
6 23328000000
7 93312000000
8 3359232000000
9 223948800000000
10 604661760000000000
11 36279705600000000000
12 544195584000000000000
13 1360488960000000000000
14 326517350400000000000000

List of values

[1, 30, 3600, 36000, 4320000, 24300000, 23328000000, 93312000000, 3359232000000, 223948800000000, 604661760000000000, 36279705600000000000, 544195584000000000000, 1360488960000000000000, 326517350400000000000000]

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

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