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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 7 |
| 6 | 20 |
| 7 | 13 |
| 8 | 42 |
| 9 | 39 |
| 10 | 110 |
| 11 | 29 |
| 12 | 312 |
| 13 | 37 |
| 14 | 374 |
| 15 | 261 |
| 16 | 798 |
| 17 | 53 |
| 18 | 2300 |
| 19 | 61 |
| 20 | 3828 |
| 21 | 903 |
| 22 | 1426 |
| 23 | 79 |
| 24 | 18648 |
| 25 | 497 |
| 26 | 2542 |
| 27 | 2379 |
| 28 | 21930 |
| 29 | 107 |
| 30 | 86856 |
| 31 | 113 |
| 32 | 42294 |
| 33 | 4503 |
| 34 | 5546 |
| 35 | 2247 |
| 36 | 475800 |
| 37 | 151 |
| 38 | 7906 |
| 39 | 8787 |
| 40 | 370620 |
| 41 | 173 |
| 42 | 843880 |
| 43 | 181 |
| 44 | 249798 |
| 45 | 92547 |
| 46 | 12118 |
| 47 | 199 |
| 48 | 5965848 |
[1,2,3,6,7,20,13,42,39,110,29,312,37,374,261,798, 53,2300,61,3828,903,1426,79,18648,497,2542,2379, 21930,107,86856,113,42294,4503,5546,2247,475800, 151,7906,8787,370620,173,843880,181,249798,92547, 12118,199,5965848] |