n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 22 |
4 | 51 |
5 | 532 |
6 | 1115 |
7 | 3877 |
8 | 24377 |
9 | 28254 |
10 | 589457 |
11 | 617711 |
12 | 4295723 |
13 | 13504880 |
14 | 31305483 |
15 | 326559710 |
16 | 684424903 |
17 | 2379834419 |
18 | 14963431417 |
19 | 17343265836 |
20 | 361828748137 |
21 | 379172013973 |
22 | 2636860831975 |
23 | 8289754509898 |
24 | 19216369851771 |
25 | 200453453027608 |
[1,1,7,22,51,532,1115,3877,24377,28254,589457, 617711,4295723,13504880,31305483,326559710, 684424903,2379834419,14963431417,17343265836, 361828748137,379172013973,2636860831975, 8289754509898,19216369851771,200453453027608] |