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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 25 |
| 5 | 841 |
| 6 | 866 |
| 7 | 1707 |
| 8 | 2573 |
| 9 | 214 |
| 10 | 2787 |
| 11 | 9006001 |
| 12 | 6898 |
| 13 | 1099 |
| 14 | 7997 |
| 15 | 758 |
| 16 | 515 |
| 17 | 1273 |
| 18 | 298 |
| 19 | 2468041 |
| 20 | 2468339 |
| 21 | 5674 |
| 22 | 2474013 |
| 23 | 13853 |
| 24 | 2487866 |
| 25 | 5357 |
| 26 | 2493223 |
| 27 | 1322 |
| 28 | 498909 |
| 29 | 250231053361 |
| 30 | 7149472922 |
| 31 | 203937 |
| 32 | 420569227 |
| 33 | 1581854 |
| 34 | 9201 |
| 35 | 1591055 |
| 36 | 94 |
| 37 | 13371 |
| 38 | 13465 |
| 39 | 13418 |
| 40 | 309 |
| 41 | 371 |
| 42 | 34 |
| 43 | 15 |
| 44 | 49 |
| 45 | 4 |
| 46 | 2809 |
[0,1,1,4,25,841,866,1707,2573,214,2787,9006001, 6898,1099,7997,758,515,1273,298,2468041,2468339, 5674,2474013,13853,2487866,5357,2493223,1322, 498909,250231053361,7149472922,203937,420569227, 1581854,9201,1591055,94,13371,13465,13418,309,371, 34,15,49,4,2809] |