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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 150 |
| 3 | 3619 |
| 4 | 114318 |
| 5 | 3125547 |
| 6 | 96199260 |
| 7 | 2804027631 |
| 8 | 85892871786 |
| 9 | 2579471093496 |
| 10 | 79165386206572 |
| 11 | 2414473870996735 |
| 12 | 74393395305521924 |
| 13 | 2289463201811310969 |
| 14 | 70829848364578443940 |
| 15 | 2192557122492637558076 |
| 16 | 68078551369044294704640 |
[0,150,3619,114318,3125547,96199260,2804027631, 85892871786,2579471093496,79165386206572, 2414473870996735,74393395305521924, 2289463201811310969,70829848364578443940, 2192557122492637558076,68078551369044294704640] |