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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 28 |
| 3 | 45 |
| 4 | 153 |
| 5 | 325 |
| 6 | 4753 |
| 7 | 7381 |
| 8 | 29161 |
| 9 | 56953 |
| 10 | 65341 |
| 11 | 73536 |
| 12 | 166753 |
| 13 | 266085 |
| 14 | 270480 |
| 15 | 354061 |
| 16 | 1062153 |
| 17 | 1383616 |
| 18 | 3123750 |
| 19 | 3525840 |
| 20 | 3873936 |
| 21 | 5247180 |
| 22 | 5649841 |
| 23 | 6060421 |
| 24 | 6644835 |
| 25 | 6835753 |
| 26 | 6924781 |
| 27 | 7006896 |
| 28 | 7870528 |
| 29 | 9925740 |
| 30 | 10285380 |
| 31 | 12708361 |
[1,28,45,153,325,4753,7381,29161,56953,65341, 73536,166753,266085,270480,354061,1062153,1383616, 3123750,3525840,3873936,5247180,5649841,6060421, 6644835,6835753,6924781,7006896,7870528,9925740, 10285380,12708361] |