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.

A231634 a(n) is the denominator of the probability that n segments of length 2, each placed randomly on a line segment of length 2n, will completely cover the line segment.

Table of values

n a(n)
1 1
2 3
3 15
4 105
5 2835
6 31185
7 2027025
8 91216125
9 10854718875
10 206239658625
11 7795859096025
12 4482618980214375
13 72512954091703125
14 99850337784275203125
15 37643577344671751578125
16 8168656283793770092453125
17 12518528979807790079765625

List of values

[1, 3, 15, 105, 2835, 31185, 2027025, 91216125, 10854718875, 206239658625, 7795859096025, 4482618980214375, 72512954091703125, 99850337784275203125, 37643577344671751578125, 8168656283793770092453125, 12518528979807790079765625]

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

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