n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 14 |
3 | 64 |
4 | 292 |
5 | 1332 |
6 | 6076 |
7 | 27716 |
8 | 126428 |
9 | 576708 |
10 | 2630684 |
11 | 12000004 |
12 | 54738652 |
13 | 249693252 |
14 | 1138988956 |
15 | 5195558276 |
16 | 23699813468 |
17 | 108107950788 |
18 | 493140127004 |
19 | 2249484733444 |
20 | 10261143413212 |
21 | 46806747599172 |
22 | 213511451169436 |
[1,3,14,64,292,1332,6076,27716,126428,576708, 2630684,12000004,54738652,249693252,1138988956, 5195558276,23699813468,108107950788,493140127004, 2249484733444,10261143413212,46806747599172, 213511451169436] |