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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.

A317288 Number of permutations of [n] with exactly eight increasing runs of even length.

Table of values

n a(n)
16 19391512145
17 1367267690953
18 57188581537971
19 2006576231088264
20 65823539327956911
21 2066450841399035025
22 63056350327027739274
23 1900463594609383889937
24 57088794679037177345346
25 1717519261928956311195227
26 51966007918370324842446184
27 1586467824560962829102119877

List of values

[19391512145, 1367267690953, 57188581537971, 2006576231088264, 65823539327956911, 2066450841399035025, 63056350327027739274, 1900463594609383889937, 57088794679037177345346, 1717519261928956311195227, 51966007918370324842446184, 1586467824560962829102119877]

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

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