n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 39 |
4 | 156 |
5 | 656 |
6 | 2843 |
7 | 12506 |
8 | 56183 |
9 | 254799 |
10 | 1167999 |
11 | 5400258 |
12 | 25116348 |
13 | 117576380 |
14 | 552896051 |
15 | 2611402749 |
16 | 12381025083 |
17 | 58885700834 |
18 | 280918838846 |
19 | 1343547473970 |
20 | 6440935983886 |
21 | 30943137348073 |
22 | 148936555890019 |
23 | 718126779191896 |
24 | 3468065435753711 |
25 | 16772888745124827 |
26 | 81229159839429236 |
[1,3,10,39,156,656,2843,12506,56183,254799, 1167999,5400258,25116348,117576380,552896051, 2611402749,12381025083,58885700834,280918838846, 1343547473970,6440935983886,30943137348073, 148936555890019,718126779191896,3468065435753711, 16772888745124827,81229159839429236] |