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.

A302901 Number of permutations of [n] having exactly eight alternating descents.

Table of values

n a(n)
9 7936
10 151853
11 2866632
12 46901985
13 758805360
14 12127342203
15 195951082944
16 3216832016019
17 53984412657360
18 928559550102410
19 16402837435610856
20 297876978668583126
21 5564330063809902240
22 106938416843133746250
23 2114402162990417017920
24 43002161983507383542010

List of values

[7936, 151853, 2866632, 46901985, 758805360, 12127342203, 195951082944, 3216832016019, 53984412657360, 928559550102410, 16402837435610856, 297876978668583126, 5564330063809902240, 106938416843133746250, 2114402162990417017920, 43002161983507383542010]

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

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