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.

A307132 Denominator of the expected fraction of occupied places on n-length lattice randomly filled with 2-length segments.

Table of values

n a(n)
1 1
2 3
3 6
4 5
5 45
6 63
7 420
8 405
9 14175
10 17325
11 187110
12 552825
13 14189175
14 49116375
15 729729000
16 723647925
17 8881133625
18 109185701625
19 2062396586250
20 10257709336875
21 428772250281375
22 2348038513445625
23 53791427762572500
24 160789593855515625
25 16025362854266390625

List of values

[1, 3, 6, 5, 45, 63, 420, 405, 14175, 17325, 187110, 552825, 14189175, 49116375, 729729000, 723647925, 8881133625, 109185701625, 2062396586250, 10257709336875, 428772250281375, 2348038513445625, 53791427762572500, 160789593855515625, 16025362854266390625]

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

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