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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 60 |
| 3 | 1034 |
| 4 | 10414 |
| 5 | 126119 |
| 6 | 1428523 |
| 7 | 16566199 |
| 8 | 190540884 |
| 9 | 2197847780 |
| 10 | 25325358687 |
| 11 | 291935092921 |
| 12 | 3364727410265 |
| 13 | 38782728207101 |
| 14 | 447011297075966 |
| 15 | 5152298718205939 |
| 16 | 59385855860517581 |
| 17 | 684486816741728022 |
[13,60,1034,10414,126119,1428523,16566199, 190540884,2197847780,25325358687,291935092921, 3364727410265,38782728207101,447011297075966, 5152298718205939,59385855860517581, 684486816741728022] |