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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 16 |
| 5 | 16 |
| 6 | 76 |
| 7 | 53 |
| 8 | 218 |
| 9 | 303 |
| 10 | 750 |
| 11 | 412 |
| 12 | 3680 |
| 13 | 1361 |
| 14 | 5015 |
| 15 | 9206 |
| 16 | 23162 |
| 17 | 8290 |
| 18 | 66166 |
| 19 | 19936 |
| 20 | 161656 |
| 21 | 192181 |
| 22 | 236007 |
| 23 | 100730 |
| 24 | 1338186 |
| 25 | 819694 |
| 26 | 1180478 |
| 27 | 1924986 |
| 28 | 5215844 |
| 29 | 1246468 |
| 30 | 17370367 |
| 31 | 3098322 |
| 32 | 24926724 |
| 33 | 23473968 |
| 34 | 24790503 |
| 35 | 41886304 |
| 36 | 227243488 |
[1,1,3,5,16,16,76,53,218,303,750,412,3680,1361, 5015,9206,23162,8290,66166,19936,161656,192181, 236007,100730,1338186,819694,1180478,1924986, 5215844,1246468,17370367,3098322,24926724, 23473968,24790503,41886304,227243488] |