n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 64 |
6 | 291 |
7 | 1397 |
8 | 6875 |
9 | 34450 |
10 | 175615 |
11 | 909627 |
12 | 4776799 |
13 | 25371720 |
14 | 136033988 |
15 | 735186170 |
16 | 4000684739 |
17 | 21902649976 |
18 | 120555380997 |
19 | 666732745113 |
20 | 3703195116792 |
21 | 20647931305136 |
22 | 115529616213809 |
23 | 648470586919557 |
24 | 3650468031125360 |
25 | 20604592863012251 |
26 | 116585628797051735 |
27 | 661165592229317701 |
28 | 3757399793346622340 |
[1,2,5,16,64,291,1397,6875,34450,175615,909627, 4776799,25371720,136033988,735186170,4000684739, 21902649976,120555380997,666732745113, 3703195116792,20647931305136,115529616213809, 648470586919557,3650468031125360, 20604592863012251,116585628797051735, 661165592229317701,3757399793346622340] |