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.

A055861 Essentially A053506 but with leading 0 (instead of 1) and offset 0.

Table of values

n a(n)
0 0
1 0
2 6
3 48
4 500
5 6480
6 100842
7 1835008
8 38263752
9 900000000
10 23579476910
11 681091006464
12 21505924728444
13 737020860878848
14 27246730957031250
15 1080863910568919040
16 45798768824157052688
17 2064472028642102280192

List of values

[0, 0, 6, 48, 500, 6480, 100842, 1835008, 38263752, 900000000, 23579476910, 681091006464, 21505924728444, 737020860878848, 27246730957031250, 1080863910568919040, 45798768824157052688, 2064472028642102280192]

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

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