n | a(n) |
---|---|
2 | 3 |
3 | 39 |
4 | 426 |
5 | 4550 |
6 | 50085 |
7 | 577731 |
8 | 7022596 |
9 | 90148860 |
10 | 1222753815 |
11 | 17515226465 |
12 | 264663151038 |
13 | 4212100028994 |
14 | 70475063838361 |
15 | 1237144088015535 |
16 | 22735980569119560 |
17 | 436467520716475064 |
18 | 8733235757816095083 |
19 | 181740089309026259565 |
20 | 3925458146197916823970 |
[3,39,426,4550,50085,577731,7022596,90148860, 1222753815,17515226465,264663151038,4212100028994, 70475063838361,1237144088015535,22735980569119560, 436467520716475064,8733235757816095083, 181740089309026259565,3925458146197916823970] |