| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 1 |
| 3 | 6 |
| 4 | 25 |
| 5 | 18 |
| 6 | 5 |
| 7 | 2 |
| 8 | 1 |
| 9 | 60 |
| 10 | 91 |
| 11 | 180 |
| 12 | 3 |
| 13 | 34 |
| 14 | 151 |
| 15 | 90 |
| 16 | 1081 |
| 17 | 2160 |
| 18 | 185 |
| 19 | 1832 |
| 20 | 331 |
| 21 | 450 |
| 22 | 781 |
| 23 | 1350 |
| 24 | 1953 |
| 25 | 1594 |
| 26 | 1231 |
| 27 | 16110 |
| 28 | 21751 |
| 29 | 13260 |
| 30 | 15 |
| 31 | 28 |
| 32 | 7 |
| 33 | 12 |
| 34 | 19 |
| 35 | 6 |
| 36 | 5 |
| 37 | 2 |
| 38 | 1 |
| 39 | 210 |
| 40 | 1471 |
| 41 | 630 |
| 42 | 3 |
| 43 | 1894 |
| 44 | 1681 |
| 45 | 1050 |
| 46 | 421 |
| 47 | 10080 |
| 48 | 1265 |
| 49 | 212 |
| 50 | 29191 |
| 51 | 26040 |
| 52 | 25201 |
| 53 | 18060 |
| 54 | 17853 |
| 55 | 3364 |
| 56 | 18901 |
| 57 | 7770 |
| 58 | 116761 |
| 59 | 201180 |
| 60 | 27 |
| 61 | 22 |
| 62 | 13 |
[1,4,1,6,25,18,5,2,1,60,91,180,3,34,151,90,1081, 2160,185,1832,331,450,781,1350,1953,1594,1231, 16110,21751,13260,15,28,7,12,19,6,5,2,1,210,1471, 630,3,1894,1681,1050,421,10080,1265,212,29191, 26040,25201,18060,17853,3364,18901,7770,116761, 201180,27,22,13] |