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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 248 |
| 3 | 25436 |
| 4 | 14270468 |
| 5 | 44494633876 |
| 6 | 751323264058296 |
| 7 | 69480486701806161900 |
| 8 | 34690065037599351161239084 |
| 9 | 94456106387833550741267252957732 |
| 10 | 1387026638297370437542605944364720106044 |
[15,248,25436,14270468,44494633876, 751323264058296,69480486701806161900, 34690065037599351161239084, 94456106387833550741267252957732, 1387026638297370437542605944364720106044] |