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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 4 |
| 4 | 16 |
| 5 | 20 |
| 6 | 67 |
| 7 | 84 |
| 8 | 231 |
| 9 | 324 |
| 10 | 735 |
| 11 | 1026 |
| 12 | 2265 |
| 13 | 3086 |
| 14 | 6199 |
| 15 | 8880 |
| 16 | 16564 |
| 17 | 23390 |
| 18 | 42378 |
| 19 | 59496 |
| 20 | 103588 |
| 21 | 146376 |
| 22 | 244278 |
| 23 | 344186 |
| 24 | 564013 |
| 25 | 788168 |
| 26 | 1255201 |
| 27 | 1758400 |
| 28 | 2738833 |
| 29 | 3812242 |
| 30 | 5846114 |
| 31 | 8092092 |
| 32 | 12200957 |
| 33 | 16848156 |
| 34 | 24991705 |
| 35 | 34365176 |
| 36 | 50392543 |
[1,0,3,4,16,20,67,84,231,324,735,1026,2265,3086, 6199,8880,16564,23390,42378,59496,103588,146376, 244278,344186,564013,788168,1255201,1758400, 2738833,3812242,5846114,8092092,12200957,16848156, 24991705,34365176,50392543] |