n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 26 |
3 | 114 |
4 | 500 |
5 | 2194 |
6 | 9628 |
7 | 42252 |
8 | 185422 |
9 | 813722 |
10 | 3571010 |
11 | 15671340 |
12 | 68773514 |
13 | 301811860 |
14 | 1324498252 |
15 | 5812546998 |
16 | 25508302906 |
17 | 111942925778 |
18 | 491260382084 |
19 | 2155891150146 |
20 | 9461106209228 |
21 | 41519967599596 |
22 | 182209952129086 |
23 | 799626506818554 |
24 | 3509152727035810 |
[1,6,26,114,500,2194,9628,42252,185422,813722, 3571010,15671340,68773514,301811860,1324498252, 5812546998,25508302906,111942925778,491260382084, 2155891150146,9461106209228,41519967599596, 182209952129086,799626506818554,3509152727035810] |