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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.

A264464 Number of permutations of [n] with exactly five (possibly overlapping) occurrences of the generalized pattern 23-1.

Table of values

n a(n)
6 22
7 392
8 4302
9 41979
10 393476
11 3652779
12 34099448
13 322746351
14 3111556310
15 30637025849
16 308542096284
17 3180677263083
18 33574281993047
19 362907367462521
20 4016295885663247
21 45496983534864142
22 527373693673894161
23 6252643277063017082
24 75794122449729562363

List of values

[22, 392, 4302, 41979, 393476, 3652779, 34099448, 322746351, 3111556310, 30637025849, 308542096284, 3180677263083, 33574281993047, 362907367462521, 4016295885663247, 45496983534864142, 527373693673894161, 6252643277063017082, 75794122449729562363]

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

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