Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 31 |
4 | 252 |
5 | 2117 |
6 | 18546 |
7 | 164229 |
8 | 1469596 |
9 | 13229876 |
10 | 119712521 |
11 | 1087573357 |
12 | 9914033252 |
13 | 90633332870 |
14 | 830621140260 |
15 | 7628813061585 |
16 | 70200092854044 |
17 | 647070588612140 |
18 | 5973385906039684 |
19 | 55217660246861884 |
20 | 511054426374819184 |
21 | 4735208302827742549 |
[1,1,5,31,252,2117,18546,164229,1469596,13229876, 119712521,1087573357,9914033252,90633332870, 830621140260,7628813061585,70200092854044, 647070588612140,5973385906039684, 55217660246861884,511054426374819184, 4735208302827742549] |