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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 4 |
| 4 | 4 |
| 5 | 4 |
| 6 | 53 |
| 7 | 28 |
| 8 | 28 |
| 9 | 53 |
| 10 | 246 |
| 11 | 138 |
| 12 | 102 |
| 13 | 138 |
| 14 | 246 |
| 15 | 4207 |
| 16 | 1775 |
| 17 | 814 |
| 18 | 814 |
| 19 | 1775 |
| 20 | 4207 |
| 21 | 60922 |
| 22 | 25758 |
| 23 | 10035 |
| 24 | 5654 |
| 25 | 10035 |
| 26 | 25758 |
| 27 | 60922 |
| 28 | 1114857 |
| 29 | 457387 |
| 30 | 168720 |
| 31 | 63929 |
| 32 | 63929 |
| 33 | 168720 |
| 34 | 457387 |
| 35 | 1114857 |
| 36 | 10706482 |
| 37 | 4934925 |
| 38 | 2063635 |
| 39 | 791789 |
[1,2,2,4,4,4,53,28,28,53,246,138,102,138,246,4207, 1775,814,814,1775,4207,60922,25758,10035,5654, 10035,25758,60922,1114857,457387,168720,63929, 63929,168720,457387,1114857,10706482,4934925, 2063635,791789] |