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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 98309 |
| 3 | 57395638 |
| 4 | 5368709137 |
| 5 | 183105468776 |
| 6 | 3291294892069 |
| 7 | 37980492079594 |
| 8 | 316659348799553 |
| 9 | 2058911320946572 |
| 10 | 11000000000000101 |
| 11 | 50126978032987934 |
| 12 | 200291280469622929 |
| 13 | 716602502197270768 |
| 14 | 2333521433367183557 |
| 15 | 7006302246093750226 |
| 16 | 19599665578316398849 |
[1,4,98309,57395638,5368709137,183105468776, 3291294892069,37980492079594,316659348799553, 2058911320946572,11000000000000101, 50126978032987934,200291280469622929, 716602502197270768,2333521433367183557, 7006302246093750226,19599665578316398849] |