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| n | a(n) |
|---|---|
| 1 | 1201970 |
| 2 | 35120036 |
| 3 | 572903455 |
| 4 | 9109822648 |
| 5 | 151628039982 |
| 6 | 2775154020785 |
| 7 | 50643184293432 |
| 8 | 884193931380840 |
| 9 | 15412403397724456 |
| 10 | 275973258608220950 |
| 11 | 4974725406199206160 |
| 12 | 88634045953384779534 |
| 13 | 1572295392290862280078 |
[1201970,35120036,572903455,9109822648, 151628039982,2775154020785,50643184293432, 884193931380840,15412403397724456, 275973258608220950,4974725406199206160, 88634045953384779534,1572295392290862280078] |