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.

A348899 a(n) = 332640*4^n*Gamma(n + 1/2)/(sqrt(Pi)*Gamma(n + 7)); super ballot numbers, row 5 of A135573.

Table of values

n a(n)
0 462
1 132
2 99
3 110
4 154
5 252
6 462
7 924
8 1980
9 4488
10 10659
11 26334
12 67298
13 177100
14 478170
15 1320660
16 3721860
17 10680120
18 31150350
19 92205036
20 276615108
21 840090328
22 2580277436
23 8007757560
24 25090973688
25 79319852304
26 252832029219
27 812127124158
28 2627470107570
29 8558045493228

List of values

[462, 132, 99, 110, 154, 252, 462, 924, 1980, 4488, 10659, 26334, 67298, 177100, 478170, 1320660, 3721860, 10680120, 31150350, 92205036, 276615108, 840090328, 2580277436, 8007757560, 25090973688, 79319852304, 252832029219, 812127124158, 2627470107570, 8558045493228]

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

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