n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 26 |
6 | 76 |
7 | 223 |
8 | 702 |
9 | 2214 |
10 | 7304 |
11 | 24164 |
12 | 82489 |
13 | 282164 |
14 | 987881 |
15 | 3463409 |
16 | 12359141 |
17 | 44151318 |
18 | 159911910 |
19 | 579698430 |
20 | 2124693327 |
21 | 7792875067 |
22 | 28839353888 |
23 | 106787736502 |
24 | 398354778453 |
25 | 1486699269986 |
26 | 5582988776700 |
27 | 20973971137343 |
28 | 79208990291815 |
29 | 299233839402802 |
30 | 1135531152080614 |
31 | 4310296717819132 |
[1,1,2,4,10,26,76,223,702,2214,7304,24164,82489, 282164,987881,3463409,12359141,44151318,159911910, 579698430,2124693327,7792875067,28839353888, 106787736502,398354778453,1486699269986, 5582988776700,20973971137343,79208990291815, 299233839402802,1135531152080614,4310296717819132] |