n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 13 |
3 | 41 |
4 | 281 |
5 | 1183 |
6 | 6728 |
7 | 31529 |
8 | 167089 |
9 | 817991 |
10 | 4213133 |
11 | 21001799 |
12 | 106912793 |
13 | 536948224 |
14 | 2720246633 |
15 | 13704300553 |
16 | 69289288909 |
17 | 349519610713 |
18 | 1765722581057 |
19 | 8911652846951 |
20 | 45005025662792 |
21 | 227191499132401 |
22 | 1147185247901449 |
23 | 5791672851807479 |
[1,1,13,41,281,1183,6728,31529,167089,817991, 4213133,21001799,106912793,536948224,2720246633, 13704300553,69289288909,349519610713, 1765722581057,8911652846951,45005025662792, 227191499132401,1147185247901449,5791672851807479] |