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.

A367520 a(n) = binomial(A007310(n+1),n)/A007310(n+1).

Table of values

n a(n)
0 1
1 1
2 3
3 15
4 55
5 364
6 1428
7 10659
8 43263
9 345345
10 1430715
11 11920740
12 50067108
13 429757960
14 1822766520
15 15991836267
16 68328754959
17 609599676595
18 2619631042665
19 23682737320935
20 102240109897695
21 934272656316720
22 4048514844039120
23 37325172122483700

List of values

[1, 1, 3, 15, 55, 364, 1428, 10659, 43263, 345345, 1430715, 11920740, 50067108, 429757960, 1822766520, 15991836267, 68328754959, 609599676595, 2619631042665, 23682737320935, 102240109897695, 934272656316720, 4048514844039120, 37325172122483700]

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

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