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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 8 |
| 8 | 4 |
| 9 | 10 |
| 10 | 28 |
| 11 | 36 |
| 12 | 64 |
| 13 | 112 |
| 14 | 200 |
| 15 | 496 |
| 16 | 888 |
| 17 | 1778 |
| 18 | 3644 |
| 19 | 9644 |
| 20 | 18384 |
| 21 | 35244 |
| 22 | 88512 |
| 23 | 240912 |
| 24 | 490496 |
| 25 | 1068256 |
| 26 | 2898384 |
| 27 | 8330688 |
| 28 | 18072064 |
| 29 | 42690600 |
| 30 | 119723792 |
| 31 | 362082648 |
| 32 | 837947696 |
| 33 | 2118951762 |
| 34 | 6211260556 |
| 35 | 19630042716 |
| 36 | 48172034512 |
| 37 | 128288363220 |
| 38 | 392572281584 |
[1,1,2,2,2,4,8,4,10,28,36,64,112,200,496,888,1778, 3644,9644,18384,35244,88512,240912,490496,1068256, 2898384,8330688,18072064,42690600,119723792, 362082648,837947696,2118951762,6211260556, 19630042716,48172034512,128288363220,392572281584] |