Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 15 |
5 | 104 |
6 | 695 |
7 | 5004 |
8 | 40271 |
9 | 362816 |
10 | 3628719 |
11 | 39916700 |
12 | 479001479 |
13 | 6227020656 |
14 | 87178291031 |
15 | 1307674367804 |
16 | 20922789887775 |
17 | 355687428095744 |
18 | 6402373705727711 |
19 | 121645100408831676 |
20 | 2432902008176639639 |
21 | 51090942171709439600 |
22 | 1124000727777607679559 |
23 | 25852016738884976639516 |
[1,1,2,15,104,695,5004,40271,362816,3628719, 39916700,479001479,6227020656,87178291031, 1307674367804,20922789887775,355687428095744, 6402373705727711,121645100408831676, 2432902008176639639,51090942171709439600, 1124000727777607679559,25852016738884976639516] |