n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 7 |
4 | 41 |
5 | 391 |
6 | 4509 |
7 | 62847 |
8 | 1038001 |
9 | 19580071 |
10 | 418681877 |
11 | 9973993855 |
12 | 262293996777 |
13 | 7545559829991 |
14 | 235715629493005 |
15 | 7946944965054271 |
16 | 287592204406672481 |
17 | 11120005819664145895 |
18 | 457514133092462477253 |
19 | 19957535405566629526335 |
20 | 920056233384401619083545 |
[1,1,1,7,41,391,4509,62847,1038001,19580071, 418681877,9973993855,262293996777,7545559829991, 235715629493005,7946944965054271, 287592204406672481,11120005819664145895, 457514133092462477253,19957535405566629526335, 920056233384401619083545] |