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.

A317285 Number of permutations of [n] with exactly five increasing runs of even length.

Table of values

n a(n)
10 50521
11 1629248
12 32918922
13 617859020
14 11668739836
15 217316513198
16 4043244094251
17 76688877688570
18 1487035437929625
19 29470163960950720
20 598896893196470516
21 12504145259394103084
22 268208623687371202156
23 5911352523792061709194
24 133914475861667199021171

List of values

[50521, 1629248, 32918922, 617859020, 11668739836, 217316513198, 4043244094251, 76688877688570, 1487035437929625, 29470163960950720, 598896893196470516, 12504145259394103084, 268208623687371202156, 5911352523792061709194, 133914475861667199021171]

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

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