n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 19 |
5 | 91 |
6 | 571 |
7 | 4096 |
8 | 38599 |
9 | 370399 |
10 | 3771751 |
11 | 40020916 |
12 | 486887611 |
13 | 6457566259 |
14 | 97397627419 |
15 | 1566407932636 |
16 | 25622476773391 |
17 | 416792928270751 |
18 | 7346982309720079 |
19 | 141863542111338124 |
20 | 2968348473040595971 |
21 | 65223378275792128771 |
22 | 1460499016109864574691 |
23 | 32600807940657384926884 |
[1,1,4,19,91,571,4096,38599,370399,3771751, 40020916,486887611,6457566259,97397627419, 1566407932636,25622476773391,416792928270751, 7346982309720079,141863542111338124, 2968348473040595971,65223378275792128771, 1460499016109864574691,32600807940657384926884] |