n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 29 |
4 | 130 |
5 | 562 |
6 | 2380 |
7 | 9949 |
8 | 41226 |
9 | 169766 |
10 | 695860 |
11 | 2842226 |
12 | 11576916 |
13 | 47050564 |
14 | 190876696 |
15 | 773201629 |
16 | 3128164186 |
17 | 12642301534 |
18 | 51046844836 |
19 | 205954642534 |
20 | 830382690556 |
21 | 3345997029244 |
22 | 13475470680616 |
23 | 54244942336114 |
24 | 218269673491780 |
25 | 877940640368572 |
[0,1,6,29,130,562,2380,9949,41226,169766,695860, 2842226,11576916,47050564,190876696,773201629, 3128164186,12642301534,51046844836,205954642534, 830382690556,3345997029244,13475470680616, 54244942336114,218269673491780,877940640368572] |