n | a(n) |
---|---|
0 | 1 |
1 | 12 |
2 | 94 |
3 | 608 |
4 | 3525 |
5 | 19044 |
6 | 97954 |
7 | 486000 |
8 | 2345930 |
9 | 11081880 |
10 | 51447036 |
11 | 235454848 |
12 | 1064832173 |
13 | 4767347796 |
14 | 21160397050 |
15 | 93223960784 |
16 | 408037319262 |
17 | 1775744775592 |
18 | 7688699122724 |
19 | 33140226601920 |
20 | 142262721338146 |
[1,12,94,608,3525,19044,97954,486000,2345930, 11081880,51447036,235454848,1064832173,4767347796, 21160397050,93223960784,408037319262, 1775744775592,7688699122724,33140226601920, 142262721338146] |