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.

A317132 Number of permutations of [n] whose lengths of increasing runs are factorials.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 17
5 70
6 350
7 2029
8 13495
9 100813
10 837647
11 7652306
12 76282541
13 823684964
14 9578815164
15 119346454671
16 1586149739684
17 22397700381817
18 334879465463998
19 5285103821004717
20 87800206978975107
21 1531533620821692217
22 27987305231654121046
23 534688325008397289484

List of values

[1, 1, 2, 5, 17, 70, 350, 2029, 13495, 100813, 837647, 7652306, 76282541, 823684964, 9578815164, 119346454671, 1586149739684, 22397700381817, 334879465463998, 5285103821004717, 87800206978975107, 1531533620821692217, 27987305231654121046, 534688325008397289484]

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

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