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.

A279295 Number of permutations of [n] having exactly six (possibly overlapping) doubledescents.

Table of values

n a(n)
8 1
9 16
10 1138
11 25999
12 775195
13 18523314
14 463088628
15 11068300437
16 268537592975
17 6514804501312
18 160541447975710
19 4013204668037233
20 102267326625073183
21 2658365720541599806
22 70614284743773530148
23 1917874812704472161265
24 53294689741358893762638

List of values

[1, 16, 1138, 25999, 775195, 18523314, 463088628, 11068300437, 268537592975, 6514804501312, 160541447975710, 4013204668037233, 102267326625073183, 2658365720541599806, 70614284743773530148, 1917874812704472161265, 53294689741358893762638]

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

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