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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 5 |
| 3 | 0 |
| 4 | 29 |
| 5 | 8 |
| 6 | 85 |
| 7 | 40 |
| 8 | 261 |
| 9 | 232 |
| 10 | 1365 |
| 11 | 296 |
| 12 | 6725 |
| 13 | 4264 |
| 14 | 3349 |
| 15 | 55976 |
| 16 | 62789 |
| 17 | 125608 |
| 18 | 218389 |
| 19 | 436904 |
| 20 | 873541 |
| 21 | 1747624 |
| 22 | 3494165 |
| 23 | 6990504 |
| 24 | 13976901 |
| 25 | 27962024 |
| 26 | 55907605 |
| 27 | 111848104 |
| 28 | 223630405 |
| 29 | 447392424 |
| 30 | 894521621 |
| 31 | 1789569704 |
| 32 | 3578086725 |
| 33 | 7158278824 |
[1,0,5,0,29,8,85,40,261,232,1365,296,6725,4264, 3349,55976,62789,125608,218389,436904,873541, 1747624,3494165,6990504,13976901,27962024, 55907605,111848104,223630405,447392424,894521621, 1789569704,3578086725,7158278824] |