n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 113 |
4 | 984 |
5 | 8305 |
6 | 69156 |
7 | 572417 |
8 | 4725168 |
9 | 38957089 |
10 | 321004860 |
11 | 2644388561 |
12 | 21781512072 |
13 | 179402099473 |
14 | 1477598319444 |
15 | 12169714749665 |
16 | 100231029093216 |
17 | 825511191878977 |
18 | 6798972400658028 |
19 | 55996821859648049 |
20 | 461193717895377720 |
[1,12,113,984,8305,69156,572417,4725168,38957089, 321004860,2644388561,21781512072,179402099473, 1477598319444,12169714749665,100231029093216, 825511191878977,6798972400658028, 55996821859648049,461193717895377720] |