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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.

A264497 Number of permutations of [n] with exactly ten (possibly overlapping) occurrences of the generalized pattern 13-2.

Table of values

n a(n)
8 74
9 5343
10 166144
11 3342042
12 51052432
13 643569953
14 7034981562
15 68865924682
16 617271459112
17 5148104341380
18 40431758240544
19 301784671671496
20 2156289904582398
21 14834095711273034
22 98718321568669660
23 637965526671540768
24 4016617646502383422
25 24704067590177063445

List of values

[74, 5343, 166144, 3342042, 51052432, 643569953, 7034981562, 68865924682, 617271459112, 5148104341380, 40431758240544, 301784671671496, 2156289904582398, 14834095711273034, 98718321568669660, 637965526671540768, 4016617646502383422, 24704067590177063445]

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

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