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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.

A264177 Number of permutations of [n] with exactly four (possibly overlapping) occurrences of the consecutive pattern 1324.

Table of values

n a(n)
10 14
11 322
12 14322
13 446883
14 12483967
15 338673045
16 9001362380
17 238129970970
18 6339260568095
19 170856651003305
20 4682542114588253
21 130886424229747444
22 3738852184485065063
23 109293382675549834910
24 3272185613468650581758
25 100391722311294374198126
26 3157137371183609019647618

List of values

[14, 322, 14322, 446883, 12483967, 338673045, 9001362380, 238129970970, 6339260568095, 170856651003305, 4682542114588253, 130886424229747444, 3738852184485065063, 109293382675549834910, 3272185613468650581758, 100391722311294374198126, 3157137371183609019647618]

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

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