n | a(n) |
---|---|
1 | 6 |
2 | 40 |
3 | 118 |
4 | 354 |
5 | 1209 |
6 | 4334 |
7 | 14525 |
8 | 46022 |
9 | 141006 |
10 | 427611 |
11 | 1270118 |
12 | 3707059 |
13 | 10650367 |
14 | 30235396 |
15 | 84926968 |
16 | 236340047 |
17 | 652236286 |
18 | 1787173735 |
19 | 4866827711 |
20 | 13182285189 |
21 | 35538045627 |
22 | 95417738007 |
23 | 255294004187 |
24 | 680978483881 |
[6,40,118,354,1209,4334,14525,46022,141006,427611, 1270118,3707059,10650367,30235396,84926968, 236340047,652236286,1787173735,4866827711, 13182285189,35538045627,95417738007,255294004187, 680978483881] |