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.

A225969 Number of permutations of [n] having exactly 8 strong fixed blocks.

Table of values

n a(n)
22 1
23 29
24 493
25 6484
26 73713
27 768931
28 7641778
29 74285193
30 720732077
31 7097087844
32 71988257273
33 762506830931
34 8539944840752
35 102230338451871
36 1318698786618219
37 18414090830686692
38 278579895011969895
39 4555101560023980405
40 80136465741614450118
41 1508615434533451340535

List of values

[1, 29, 493, 6484, 73713, 768931, 7641778, 74285193, 720732077, 7097087844, 71988257273, 762506830931, 8539944840752, 102230338451871, 1318698786618219, 18414090830686692, 278579895011969895, 4555101560023980405, 80136465741614450118, 1508615434533451340535]

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

Content is available under The OEIS End-User License Agreement.