cp's OEIS Frontend

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.

A263888 Number of permutations of [n] containing exactly four occurrences of the consecutive pattern 132.

Table of values

n a(n)
9 105
10 7968
11 306729
12 8862336
13 221041785
14 5090751360
15 112456455285
16 2438635714560
17 52685573396310
18 1145097655557120
19 25201633254603750
20 564111809386352640
21 12881077471698335550
22 300654388617807974400
23 7182803417002318476630
24 175794354355113443819520

List of values

[105, 7968, 306729, 8862336, 221041785, 5090751360, 112456455285, 2438635714560, 52685573396310, 1145097655557120, 25201633254603750, 564111809386352640, 12881077471698335550, 300654388617807974400, 7182803417002318476630, 175794354355113443819520]

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

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