n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 29 |
4 | 132 |
5 | 637 |
6 | 3199 |
7 | 16536 |
8 | 87366 |
9 | 469556 |
10 | 2558610 |
11 | 14100033 |
12 | 78437805 |
13 | 439838596 |
14 | 2483300228 |
15 | 14103794518 |
16 | 80517436710 |
17 | 461768157262 |
18 | 2658979794811 |
19 | 15366500638407 |
20 | 89093023210674 |
21 | 518064484263918 |
22 | 3020484579372765 |
23 | 17653011431832906 |
[1,2,7,29,132,637,3199,16536,87366,469556,2558610, 14100033,78437805,439838596,2483300228, 14103794518,80517436710,461768157262, 2658979794811,15366500638407,89093023210674, 518064484263918,3020484579372765, 17653011431832906] |