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.

A120816 Number of permutations of length n with exactly 8 occurrences of the pattern 2-13.

Table of values

n a(n)
7 9
8 716
9 20466
10 365996
11 4939341
12 55098294
13 535240680
14 4680045630
15 37665984798
16 283492037268
17 2018852205700
18 13724440760376
19 89682252682256
20 566388685336800
21 3472428372731880
22 20740959695100150
23 121059468257664984

List of values

[9, 716, 20466, 365996, 4939341, 55098294, 535240680, 4680045630, 37665984798, 283492037268, 2018852205700, 13724440760376, 89682252682256, 566388685336800, 3472428372731880, 20740959695100150, 121059468257664984]

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

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