n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 29 |
4 | 127 |
5 | 572 |
6 | 2623 |
7 | 12182 |
8 | 57115 |
9 | 269750 |
10 | 1281457 |
11 | 6116585 |
12 | 29310721 |
13 | 140925176 |
14 | 679493983 |
15 | 3284357789 |
16 | 15909178627 |
17 | 77208716606 |
18 | 375330428293 |
19 | 1827310839359 |
20 | 8908332730957 |
21 | 43481990059796 |
22 | 212472526927393 |
[1,2,7,29,127,572,2623,12182,57115,269750,1281457, 6116585,29310721,140925176,679493983,3284357789, 15909178627,77208716606,375330428293, 1827310839359,8908332730957,43481990059796, 212472526927393] |