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.

A346322 Number of permutations of [n] having seven cycles of the form (c1, c2, ..., c_m) where c1 = min_{i>=1} c_i and c_j = min_{i>=j} c_i or c_j = max_{i>=j} c_i.

Table of values

n a(n)
7 1
8 28
9 546
10 9030
11 136521
12 1956570
13 27124955
14 368258891
15 4934711782
16 65608599056
17 868543125632
18 11476719098208
19 151628071536832
20 2005351952310016
21 26570735233245952
22 352902891363604736
23 4699994984738296320
24 62779734338836996096
25 841132871051793858560

List of values

[1, 28, 546, 9030, 136521, 1956570, 27124955, 368258891, 4934711782, 65608599056, 868543125632, 11476719098208, 151628071536832, 2005351952310016, 26570735233245952, 352902891363604736, 4699994984738296320, 62779734338836996096, 841132871051793858560]