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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.

A264462 Number of permutations of [n] with exactly three (possibly overlapping) occurrences of the generalized pattern 23-1.

Table of values

n a(n)
5 10
6 98
7 791
8 6082
9 46508
10 360376
11 2855580
12 23244370
13 194796665
14 1682243510
15 14973751272
16 137345968648
17 1297620307926
18 12620234271634
19 126265094967383
20 1298634572382618
21 13720327052477584
22 148800093788609512
23 1655374072150829472
24 18877499531817214482

List of values

[10, 98, 791, 6082, 46508, 360376, 2855580, 23244370, 194796665, 1682243510, 14973751272, 137345968648, 1297620307926, 12620234271634, 126265094967383, 1298634572382618, 13720327052477584, 148800093788609512, 1655374072150829472, 18877499531817214482]

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

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