n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 13 |
7 | 19 |
8 | 58 |
9 | 191 |
10 | 655 |
11 | 1187 |
12 | 4462 |
13 | 17519 |
14 | 71063 |
15 | 149405 |
16 | 646846 |
17 | 2887921 |
18 | 13237457 |
19 | 31166057 |
20 | 150303170 |
21 | 742458253 |
22 | 3748521653 |
23 | 9670072483 |
24 | 50903810666 |
25 | 273315477775 |
26 | 1495006933759 |
27 | 4163946939067 |
28 | 23599037077934 |
[1,1,1,1,2,5,13,19,58,191,655,1187,4462,17519, 71063,149405,646846,2887921,13237457,31166057, 150303170,742458253,3748521653,9670072483, 50903810666,273315477775,1495006933759, 4163946939067,23599037077934] |