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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 28 |
| 2 | 41956 |
| 3 | 37655502 |
| 4 | 33738191906 |
| 5 | 30334909910156 |
| 6 | 27412100990502042 |
| 7 | 24725866354382952217 |
| 8 | 22294594753523459270694 |
| 9 | 20109634299824273864511862 |
| 10 | 18137923612752525595542410804 |
| 11 | 16359025960283827167827032525174 |
| 12 | 14754787194922572653415156965320636 |
[1,28,41956,37655502,33738191906,30334909910156, 27412100990502042,24725866354382952217, 22294594753523459270694, 20109634299824273864511862, 18137923612752525595542410804, 16359025960283827167827032525174, 14754787194922572653415156965320636] |