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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 8 |
| 3 | 1 |
| 4 | 12 |
| 5 | 2 |
| 6 | 9 |
| 7 | 16 |
| 8 | 3 |
| 9 | 18 |
| 10 | 50 |
| 11 | 20 |
| 12 | 5 |
| 13 | 25 |
| 14 | 99 |
| 15 | 306 |
| 16 | 24 |
| 17 | 6 |
| 18 | 45 |
| 19 | 125 |
| 20 | 549 |
| 21 | 5831 |
| 22 | 27 |
| 23 | 7 |
| 24 | 49 |
| 25 | 207 |
| 26 | 1611 |
| 27 | 6849 |
| 28 | 20230 |
| 29 | 28 |
| 30 | 10 |
| 31 | 63 |
| 32 | 343 |
| 33 | 2662 |
| 34 | 14225 |
| 35 | 33026 |
| 36 | 52283 |
| 37 | 32 |
| 38 | 11 |
| 39 | 75 |
| 40 | 375 |
| 41 | 2842 |
| 42 | 16299 |
| 43 | 47107 |
| 44 | 225998 |
| 45 | 286891 |
| 46 | 36 |
| 47 | 13 |
| 48 | 90 |
| 49 | 531 |
| 50 | 2891 |
| 51 | 19431 |
| 52 | 49806 |
| 53 | 1336047 |
| 54 | 1292750 |
| 55 | 10820131 |
| 56 | 40 |
| 57 | 14 |
| 58 | 98 |
| 59 | 686 |
| 60 | 4575 |
| 61 | 21231 |
| 62 | 117649 |
| 63 | 1422275 |
| 64 | 2886982 |
| 65 | 21628098 |
| 66 | 38452606 |
[4,8,1,12,2,9,16,3,18,50,20,5,25,99,306,24,6,45, 125,549,5831,27,7,49,207,1611,6849,20230,28,10,63, 343,2662,14225,33026,52283,32,11,75,375,2842, 16299,47107,225998,286891,36,13,90,531,2891,19431, 49806,1336047,1292750,10820131,40,14,98,686,4575, 21231,117649,1422275,2886982,21628098,38452606] |