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.

A352601 a(n) = RisingFactorial(2*n, n) = A124320(2*n, n).

Table of values

n a(n)
0 1
1 2
2 20
3 336
4 7920
5 240240
6 8910720
7 390700800
8 19769460480
9 1133836704000
10 72684900288000
11 5150244363264000
12 399703747322880000
13 33719008124158156800
14 3072176295756632064000
15 300649528529562820608000
16 31451820032947491201024000
17 3502589049123697883750400000

List of values

[1, 2, 20, 336, 7920, 240240, 8910720, 390700800, 19769460480, 1133836704000, 72684900288000, 5150244363264000, 399703747322880000, 33719008124158156800, 3072176295756632064000, 300649528529562820608000, 31451820032947491201024000, 3502589049123697883750400000]

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

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