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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 3 |
| 4 | 11 |
| 5 | 3 |
| 6 | 55 |
| 7 | 33 |
| 8 | 140 |
| 9 | 59 |
| 10 | 867 |
| 11 | 523 |
| 12 | 2275 |
| 13 | 971 |
| 14 | 13891 |
| 15 | 8227 |
| 16 | 36611 |
| 17 | 14619 |
| 18 | 221211 |
| 19 | 132507 |
| 20 | 586139 |
| 21 | 262139 |
| 22 | 3542987 |
| 23 | 2157283 |
| 24 | 9330811 |
| 25 | 3823947 |
| 26 | 56724995 |
| 27 | 33856603 |
| 28 | 150019091 |
| 29 | 66862531 |
| 30 | 907393183 |
| 31 | 549464069 |
| 32 | 2384134248 |
| 33 | 987463139 |
| 34 | 14497312021 |
[1,0,3,3,11,3,55,33,140,59,867,523,2275,971,13891, 8227,36611,14619,221211,132507,586139,262139, 3542987,2157283,9330811,3823947,56724995,33856603, 150019091,66862531,907393183,549464069,2384134248, 987463139,14497312021] |