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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.

A264469 Number of permutations of [n] with exactly ten (possibly overlapping) occurrences of the generalized pattern 23-1.

Table of values

n a(n)
7 4
8 432
9 10723
10 185030
11 2679741
12 35436222
13 447105877
14 5525656829
15 67836294722
16 834260210092
17 10332749157300
18 129333951912536
19 1639800629344515
20 21092071947142268
21 275512690552878512
22 3657197040905519063
23 49353853545913899116
24 677272710732166102115

List of values

[4, 432, 10723, 185030, 2679741, 35436222, 447105877, 5525656829, 67836294722, 834260210092, 10332749157300, 129333951912536, 1639800629344515, 21092071947142268, 275512690552878512, 3657197040905519063, 49353853545913899116, 677272710732166102115]

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

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