n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 36 |
6 | 107 |
7 | 343 |
8 | 1184 |
9 | 4391 |
10 | 17448 |
11 | 74082 |
12 | 335131 |
13 | 1610301 |
14 | 8191728 |
15 | 43973853 |
16 | 248305235 |
17 | 1470474074 |
18 | 9107950029 |
19 | 58856529464 |
20 | 395914407606 |
21 | 2766669954699 |
22 | 20047716439541 |
23 | 150384068021507 |
24 | 1166037568730402 |
25 | 9332538119883810 |
26 | 77004693701288392 |
27 | 654279226353488820 |
[1,1,2,5,13,36,107,343,1184,4391,17448,74082, 335131,1610301,8191728,43973853,248305235, 1470474074,9107950029,58856529464,395914407606, 2766669954699,20047716439541,150384068021507, 1166037568730402,9332538119883810, 77004693701288392,654279226353488820] |