n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 37 |
6 | 127 |
7 | 477 |
8 | 2178 |
9 | 9948 |
10 | 52473 |
11 | 299203 |
12 | 1678603 |
13 | 10999915 |
14 | 74436288 |
15 | 495129561 |
16 | 3777012165 |
17 | 29485116951 |
18 | 226947600351 |
19 | 1936698603831 |
20 | 17107631266510 |
21 | 149618646613594 |
22 | 1391581950147514 |
23 | 13711650761944414 |
24 | 134334225088016914 |
25 | 1337497617263404414 |
[1,2,5,12,37,127,477,2178,9948,52473,299203, 1678603,10999915,74436288,495129561,3777012165, 29485116951,226947600351,1936698603831, 17107631266510,149618646613594,1391581950147514, 13711650761944414,134334225088016914, 1337497617263404414] |