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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 3 |
| 5 | 60 |
| 6 | 9 |
| 7 | 239 |
| 8 | 20 |
| 9 | 991 |
| 10 | 44 |
| 11 | 4019 |
| 12 | 64 |
| 13 | 16223 |
| 14 | 224 |
| 15 | 65055 |
| 16 | 200 |
| 17 | 261899 |
| 18 | 764 |
| 19 | 1047369 |
| 20 | 1231 |
| 21 | 4192004 |
| 22 | 2815 |
| 23 | 16772884 |
| 24 | 5215 |
| 25 | 67100516 |
| 26 | 11935 |
| 27 | 268416420 |
| 28 | 20071 |
| 29 | 1073705344 |
| 30 | 33855 |
| 31 | 4294884752 |
| 32 | 119327 |
| 33 | 17179620072 |
| 34 | 102171 |
| 35 | 68719243844 |
| 36 | 66303 |
[1,1,3,8,3,60,9,239,20,991,44,4019,64,16223,224, 65055,200,261899,764,1047369,1231,4192004,2815, 16772884,5215,67100516,11935,268416420,20071, 1073705344,33855,4294884752,119327,17179620072, 102171,68719243844,66303] |