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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 7 |
| 8 | 9 |
| 9 | 6 |
| 10 | 2 |
| 11 | 3 |
| 12 | 18 |
| 13 | 40 |
| 14 | 66 |
| 15 | 49 |
| 16 | 30 |
| 17 | 8 |
| 18 | 3 |
| 19 | 6 |
| 20 | 43 |
| 21 | 195 |
| 22 | 609 |
| 23 | 1244 |
| 24 | 1767 |
| 25 | 1710 |
| 26 | 1148 |
| 27 | 510 |
| 28 | 154 |
| 29 | 31 |
| 30 | 6 |
| 31 | 1 |
| 32 | 6 |
| 33 | 83 |
| 34 | 618 |
| 35 | 3375 |
| 36 | 12329 |
| 37 | 32524 |
| 38 | 61731 |
| 39 | 86748 |
| 40 | 90059 |
| 41 | 70128 |
| 42 | 40770 |
| 43 | 18053 |
| 44 | 6089 |
| 45 | 1643 |
| 46 | 344 |
| 47 | 61 |
| 48 | 7 |
| 49 | 1 |
| 50 | 10 |
| 51 | 156 |
| 52 | 1751 |
| 53 | 14181 |
| 54 | 81900 |
| 55 | 348541 |
[1,1,2,1,1,3,7,9,6,2,3,18,40,66,49,30,8,3,6,43, 195,609,1244,1767,1710,1148,510,154,31,6,1,6,83, 618,3375,12329,32524,61731,86748,90059,70128, 40770,18053,6089,1643,344,61,7,1,10,156,1751, 14181,81900,348541] |