Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 21 |
3 | 41 |
4 | 117 |
5 | 316 |
6 | 810 |
7 | 2208 |
8 | 6012 |
9 | 15837 |
10 | 42579 |
11 | 115618 |
12 | 309144 |
13 | 829935 |
14 | 2246106 |
15 | 6045980 |
16 | 16264045 |
17 | 43945153 |
18 | 118607081 |
19 | 319754491 |
20 | 863718047 |
21 | 2333646132 |
22 | 6300949455 |
23 | 17025299379 |
24 | 46023642233 |
25 | 124382811126 |
26 | 336236258224 |
[4,21,41,117,316,810,2208,6012,15837,42579,115618, 309144,829935,2246106,6045980,16264045,43945153, 118607081,319754491,863718047,2333646132, 6300949455,17025299379,46023642233,124382811126, 336236258224] |