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| n | a(n) |
|---|---|
| 1 | 13990 |
| 2 | 82348 |
| 3 | 485580 |
| 4 | 2865126 |
| 5 | 16909524 |
| 6 | 99817384 |
| 7 | 589354152 |
| 8 | 3479916010 |
| 9 | 20548067494 |
| 10 | 121333048614 |
| 11 | 716461085260 |
| 12 | 4230692840640 |
| 13 | 24982283288368 |
| 14 | 147520857046232 |
| 15 | 871114227605828 |
| 16 | 5143954672207112 |
| 17 | 30375223032465730 |
[13990,82348,485580,2865126,16909524,99817384, 589354152,3479916010,20548067494,121333048614, 716461085260,4230692840640,24982283288368, 147520857046232,871114227605828,5143954672207112, 30375223032465730] |