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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 2 |
| 7 | 2 |
| 8 | 2 |
| 9 | 4 |
| 10 | 8 |
| 11 | 18 |
| 12 | 14 |
| 13 | 36 |
| 14 | 38 |
| 15 | 232 |
| 16 | 268 |
| 17 | 110 |
| 18 | 280 |
| 19 | 4348 |
| 20 | 3244 |
| 21 | 32684 |
| 22 | 148184 |
| 23 | 207616 |
| 24 | 9988 |
| 25 | 1946132 |
| 26 | 2154482 |
| 27 | 13319736 |
| 28 | 8971624 |
| 29 | 12345748 |
| 30 | 69705504 |
| 31 | 159413696 |
| 32 | 1184191340 |
| 33 | 1183672188 |
| 34 | 23656693528 |
| 35 | 28963250020 |
| 36 | 701296434876 |
| 37 | 754283490078 |
[0,1,2,2,4,2,2,2,4,8,18,14,36,38,232,268,110,280, 4348,3244,32684,148184,207616,9988,1946132, 2154482,13319736,8971624,12345748,69705504, 159413696,1184191340,1183672188,23656693528, 28963250020,701296434876,754283490078] |