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.

A373433 a(n) = A000111(n) * A000142(n). Row sums of A373434.

Table of values

n a(n)
0 1
1 1
2 2
3 12
4 120
5 1920
6 43920
7 1370880
8 55843200
9 2879815680
10 183330604800
11 14122244505600
12 1294628759424000
13 139287595371724800
14 17379949655535667200
15 2489494639794978816000
16 405724534220435189760000
17 74646464089618378653696000
18 15396938399483145082626048000

List of values

[1, 1, 2, 12, 120, 1920, 43920, 1370880, 55843200, 2879815680, 183330604800, 14122244505600, 1294628759424000, 139287595371724800, 17379949655535667200, 2489494639794978816000, 405724534220435189760000, 74646464089618378653696000, 15396938399483145082626048000]

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

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