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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 21 |
| 4 | 21 |
| 5 | 75 |
| 6 | 91 |
| 7 | 186 |
| 8 | 378 |
| 9 | 987 |
| 10 | 987 |
| 11 | 1494 |
| 12 | 1494 |
| 13 | 1494 |
| 14 | 1494 |
| 15 | 5166 |
| 16 | 5166 |
| 17 | 5166 |
| 18 | 5166 |
| 19 | 16110 |
| 20 | 16869 |
| 21 | 31658 |
| 22 | 31658 |
| 23 | 31658 |
| 24 | 52394 |
| 25 | 101350 |
| 26 | 101350 |
| 27 | 101350 |
| 28 | 105573 |
| 29 | 241883 |
| 30 | 241883 |
| 31 | 284003 |
| 32 | 284003 |
| 33 | 284003 |
| 34 | 685542 |
| 35 | 1437354 |
| 36 | 1751297 |
| 37 | 1853867 |
| 38 | 1853867 |
| 39 | 1853867 |
| 40 | 1853867 |
| 41 | 1853867 |
| 42 | 1853867 |
| 43 | 1853867 |
| 44 | 1853867 |
| 45 | 1853867 |
| 46 | 1853867 |
| 47 | 1853867 |
[3,6,21,21,75,91,186,378,987,987,1494,1494,1494, 1494,5166,5166,5166,5166,16110,16869,31658,31658, 31658,52394,101350,101350,101350,105573,241883, 241883,284003,284003,284003,685542,1437354, 1751297,1853867,1853867,1853867,1853867,1853867, 1853867,1853867,1853867,1853867,1853867,1853867] |