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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.

A285858 Number of permutations of [n] with seven ordered cycles such that equal-sized cycles are ordered with increasing least elements.

Table of values

n a(n)
7 1
8 196
9 9114
10 330750
11 10094931
12 234138366
13 5932023097
14 142349568361
15 3233779086538
16 74147737383720
17 1785843031638120
18 42966579274786440
19 1047584220405271360
20 26222209747260881200
21 671966452779878874800
22 17944599541172975286000
23 485789620369911667323360

List of values

[1, 196, 9114, 330750, 10094931, 234138366, 5932023097, 142349568361, 3233779086538, 74147737383720, 1785843031638120, 42966579274786440, 1047584220405271360, 26222209747260881200, 671966452779878874800, 17944599541172975286000, 485789620369911667323360]

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

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