n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 57 |
4 | 182 |
5 | 3124 |
6 | 1068 |
7 | 32318 |
8 | 390624 |
9 | 280182 |
10 | 3626068 |
11 | 23157318 |
12 | 120813568 |
13 | 1220703124 |
14 | 1097376068 |
15 | 11109655182 |
16 | 49925501068 |
17 | 762939453124 |
18 | 355101282318 |
19 | 19073486328124 |
20 | 15613890344818 |
21 | 365855836217682 |
22 | 2384185791015624 |
[1,2,7,57,182,3124,1068,32318,390624,280182, 3626068,23157318,120813568,1220703124,1097376068, 11109655182,49925501068,762939453124,355101282318, 19073486328124,15613890344818,365855836217682, 2384185791015624] |