n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 11 |
3 | 57 |
4 | 245 |
5 | 1294 |
6 | 6781 |
7 | 37728 |
8 | 213225 |
9 | 1235908 |
10 | 7267625 |
11 | 43355213 |
12 | 261455499 |
13 | 1592057090 |
14 | 9772992459 |
15 | 60420010845 |
16 | 375850271829 |
17 | 2350842606832 |
18 | 14775426937345 |
19 | 93270580122351 |
20 | 591082988357567 |
21 | 3759155772624834 |
[1,6,11,57,245,1294,6781,37728,213225,1235908, 7267625,43355213,261455499,1592057090,9772992459, 60420010845,375850271829,2350842606832, 14775426937345,93270580122351,591082988357567, 3759155772624834] |