n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 13 |
5 | 40 |
6 | 49 |
7 | 65 |
8 | 399 |
9 | 2076 |
10 | 11626 |
11 | 12156 |
12 | 12190 |
13 | 16992 |
14 | 87983 |
15 | 717895 |
16 | 2186175 |
17 | 4327480 |
18 | 7928565 |
19 | 8130547 |
20 | 12139891 |
21 | 54517279 |
22 | 67728780 |
23 | 264656137 |
24 | 410041022 |
25 | 2970688427 |
26 | 13126642049 |
27 | 19585729892 |
28 | 71713995073 |
[0,1,2,4,13,40,49,65,399,2076,11626,12156,12190, 16992,87983,717895,2186175,4327480,7928565, 8130547,12139891,54517279,67728780,264656137, 410041022,2970688427,13126642049,19585729892, 71713995073] |