n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 12 |
5 | 59 |
6 | 341 |
7 | 2274 |
8 | 17380 |
9 | 152492 |
10 | 1546370 |
11 | 18253752 |
12 | 251911212 |
13 | 4077747676 |
14 | 77875414462 |
15 | 1766771227627 |
16 | 47719589665506 |
17 | 1529956518699126 |
18 | 58172058892474403 |
19 | 2633354766431360249 |
20 | 142248925696032886182 |
21 | 9135446223074433352932 |
22 | 695222497681195469397031 |
[1,1,3,12,59,341,2274,17380,152492,1546370, 18253752,251911212,4077747676,77875414462, 1766771227627,47719589665506,1529956518699126, 58172058892474403,2633354766431360249, 142248925696032886182,9135446223074433352932, 695222497681195469397031] |