n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 23 |
4 | 156 |
5 | 1381 |
6 | 15035 |
7 | 194074 |
8 | 2896075 |
9 | 49039201 |
10 | 928848744 |
11 | 19456784423 |
12 | 446577192985 |
13 | 11144973040202 |
14 | 300467694892469 |
15 | 8702418178841399 |
16 | 269474495849190900 |
17 | 8883955944844458301 |
18 | 310668983573706849635 |
19 | 11485868436282308978194 |
[1,2,5,23,156,1381,15035,194074,2896075,49039201, 928848744,19456784423,446577192985,11144973040202, 300467694892469,8702418178841399, 269474495849190900,8883955944844458301, 310668983573706849635,11485868436282308978194] |