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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 9 |
| 3 | 18 |
| 4 | 18 |
| 5 | 27 |
| 6 | 45 |
| 7 | 36 |
| 8 | 54 |
| 9 | 45 |
| 10 | 45 |
| 11 | 54 |
| 12 | 54 |
| 13 | 63 |
| 14 | 81 |
| 15 | 72 |
| 16 | 90 |
| 17 | 72 |
| 18 | 81 |
| 19 | 117 |
| 20 | 108 |
| 21 | 90 |
| 22 | 99 |
| 23 | 99 |
| 24 | 117 |
| 25 | 117 |
| 26 | 135 |
| 27 | 153 |
| 28 | 135 |
| 29 | 135 |
| 30 | 153 |
| 31 | 180 |
| 32 | 153 |
| 33 | 117 |
| 34 | 117 |
| 35 | 180 |
| 36 | 171 |
| 37 | 171 |
| 38 | 189 |
| 39 | 198 |
| 40 | 216 |
| 41 | 198 |
| 42 | 225 |
| 43 | 225 |
| 44 | 216 |
| 45 | 198 |
| 46 | 225 |
| 47 | 234 |
| 48 | 252 |
| 49 | 234 |
| 50 | 216 |
| 51 | 234 |
| 52 | 279 |
| 53 | 243 |
[1,3,9,18,18,27,45,36,54,45,45,54,54,63,81,72,90, 72,81,117,108,90,99,99,117,117,135,153,135,135, 153,180,153,117,117,180,171,171,189,198,216,198, 225,225,216,198,225,234,252,234,216,234,279,243] |