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.

A123619 a(n) = A123610(2*n+2,n)/(n+1) = A123618(n)/(n+1).

Table of values

n a(n)
0 1
1 2
2 13
3 98
4 884
5 8712
6 92033
7 1022450
8 11819620
9 141052808
10 1727897780
11 21634496072
12 275950213712
13 3576314656800
14 46995009879033
15 625082413914450
16 8403885788094500
17 114069363868845000
18 1561609591376307572

List of values

[1, 2, 13, 98, 884, 8712, 92033, 1022450, 11819620, 141052808, 1727897780, 21634496072, 275950213712, 3576314656800, 46995009879033, 625082413914450, 8403885788094500, 114069363868845000, 1561609591376307572]

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

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