n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 25 |
4 | 103 |
5 | 399 |
6 | 1532 |
7 | 5754 |
8 | 21383 |
9 | 78735 |
10 | 288580 |
11 | 1053894 |
12 | 3840866 |
13 | 13981403 |
14 | 50874249 |
15 | 185128907 |
16 | 673970102 |
17 | 2455319377 |
18 | 8952722626 |
19 | 32676307483 |
20 | 119391572211 |
21 | 436711281979 |
22 | 1599194641093 |
23 | 5862625449021 |
24 | 21515851244159 |
[1,6,25,103,399,1532,5754,21383,78735,288580, 1053894,3840866,13981403,50874249,185128907, 673970102,2455319377,8952722626,32676307483, 119391572211,436711281979,1599194641093, 5862625449021,21515851244159] |