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.

A317287 Number of permutations of [n] with exactly seven increasing runs of even length.

Table of values

n a(n)
14 199360981
15 11190963430
16 378291607803
17 11014069796526
18 305943708449074
19 8211684416287224
20 215906484804391566
21 5654455021954104792
22 148657867362265421769
23 3937297418900898841450
24 105451222548147683308147
25 2864250745636538809593802
26 79027581972356621300952774

List of values

[199360981, 11190963430, 378291607803, 11014069796526, 305943708449074, 8211684416287224, 215906484804391566, 5654455021954104792, 148657867362265421769, 3937297418900898841450, 105451222548147683308147, 2864250745636538809593802, 79027581972356621300952774]

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

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