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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 20 |
| 6 | 19 |
| 7 | 12 |
| 8 | 90 |
| 9 | 214 |
| 10 | 160 |
| 11 | 29 |
| 12 | 348 |
| 13 | 1497 |
| 14 | 2718 |
| 15 | 1744 |
| 16 | 70 |
| 17 | 1225 |
| 18 | 8236 |
| 19 | 26453 |
| 20 | 40336 |
| 21 | 23184 |
| 22 | 169 |
| 23 | 4056 |
| 24 | 39114 |
| 25 | 193184 |
| 26 | 512813 |
| 27 | 689512 |
| 28 | 364176 |
| 29 | 408 |
| 30 | 12852 |
| 31 | 167884 |
| 32 | 1174860 |
| 33 | 4737628 |
| 34 | 10955304 |
| 35 | 13372072 |
| 36 | 6598656 |
| 37 | 985 |
| 38 | 39400 |
| 39 | 669078 |
| 40 | 6282340 |
| 41 | 35554929 |
| 42 | 123708580 |
| 43 | 257200712 |
| 44 | 290478120 |
| 45 | 135484416 |
| 46 | 2378 |
| 47 | 117711 |
| 48 | 2519024 |
| 49 | 30514946 |
| 50 | 229958030 |
| 51 | 1114357079 |
| 52 | 3459179856 |
| 53 | 6602445344 |
| 54 | 6991966752 |
| 55 | 3108695040 |
[1,2,3,5,20,19,12,90,214,160,29,348,1497,2718, 1744,70,1225,8236,26453,40336,23184,169,4056, 39114,193184,512813,689512,364176,408,12852, 167884,1174860,4737628,10955304,13372072,6598656, 985,39400,669078,6282340,35554929,123708580, 257200712,290478120,135484416,2378,117711,2519024, 30514946,229958030,1114357079,3459179856, 6602445344,6991966752,3108695040] |