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.

A007060 Number of ways n married couples can sit in a row without any spouses next to each other.

Table of values

n a(n)
0 1
1 0
2 8
3 240
4 13824
5 1263360
6 168422400
7 30865121280
8 7445355724800
9 2287168006717440
10 871804170613555200
11 403779880746418176000
12 223346806774106790297600
13 145427383048755178635264000
14 110105698060190464791596236800
15 95914116314126658718742347776000
16 95252504853751428295192341381120000

List of values

[1, 0, 8, 240, 13824, 1263360, 168422400, 30865121280, 7445355724800, 2287168006717440, 871804170613555200, 403779880746418176000, 223346806774106790297600, 145427383048755178635264000, 110105698060190464791596236800, 95914116314126658718742347776000, 95252504853751428295192341381120000]

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

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