Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 12 |
6 | 49 |
7 | 197 |
8 | 802 |
9 | 3251 |
10 | 13199 |
11 | 53558 |
12 | 217359 |
13 | 882077 |
14 | 3579664 |
15 | 14526997 |
16 | 58953567 |
17 | 239245700 |
18 | 970908389 |
19 | 3940146321 |
20 | 15989925914 |
21 | 64890414991 |
22 | 263338678635 |
23 | 1068682634486 |
24 | 4336934396651 |
25 | 17600173665641 |
26 | 71425132301280 |
27 | 289857908288985 |
28 | 1176303134354955 |
29 | 4773680566664252 |
30 | 19372579641254793 |
31 | 78617921060228045 |
[0,0,1,3,12,49,197,802,3251,13199,53558,217359, 882077,3579664,14526997,58953567,239245700, 970908389,3940146321,15989925914,64890414991, 263338678635,1068682634486,4336934396651, 17600173665641,71425132301280,289857908288985, 1176303134354955,4773680566664252, 19372579641254793,78617921060228045] |