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| n | a(n) |
|---|---|
| 1 | 48 |
| 2 | 201 |
| 3 | 1136 |
| 4 | 7119 |
| 5 | 47576 |
| 6 | 355098 |
| 7 | 2703084 |
| 8 | 23254546 |
| 9 | 207675396 |
| 10 | 2011569856 |
| 11 | 20907484556 |
| 12 | 232901842600 |
| 13 | 2783676334932 |
| 14 | 35816209079553 |
[48,201,1136,7119,47576,355098,2703084,23254546, 207675396,2011569856,20907484556,232901842600, 2783676334932,35816209079553] |