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.

A046673 a(n) = (2n)!*Sum_{i=1..n} 1/i.

Table of values

n a(n)
1 2
2 36
3 1320
4 84000
5 8285760
6 1173553920
7 226040855040
8 56865153945600
9 18112111963545600
10 7125892746964992000
11 3394344333441245184000
12 1925382105537337294848000
13 1282520788685931213619200000
14 991363455147400701817651200000
15 880169729965718014490443776000000

List of values

[2, 36, 1320, 84000, 8285760, 1173553920, 226040855040, 56865153945600, 18112111963545600, 7125892746964992000, 3394344333441245184000, 1925382105537337294848000, 1282520788685931213619200000, 991363455147400701817651200000, 880169729965718014490443776000000]

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

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