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| n | a(n) |
|---|---|
| 37 | 6 |
| 38 | 32 |
| 39 | 140 |
| 40 | 490 |
| 41 | 1582 |
| 42 | 4679 |
| 43 | 13207 |
| 44 | 35579 |
| 45 | 92848 |
| 46 | 235364 |
| 47 | 583368 |
| 48 | 1417164 |
| 49 | 3386221 |
| 50 | 7972754 |
| 51 | 18536344 |
| 52 | 42613503 |
| 53 | 97001737 |
| 54 | 218855237 |
| 55 | 489889224 |
| 56 | 1088756521 |
| 57 | 2404139499 |
| 58 | 5277595013 |
| 59 | 11523611147 |
| 60 | 25038756870 |
| 61 | 54160808489 |
| 62 | 116670213947 |
| 63 | 250366691420 |
| 64 | 535375247787 |
[6,32,140,490,1582,4679,13207,35579,92848,235364, 583368,1417164,3386221,7972754,18536344,42613503, 97001737,218855237,489889224,1088756521, 2404139499,5277595013,11523611147,25038756870, 54160808489,116670213947,250366691420, 535375247787] |