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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 33 |
| 3 | 261 |
| 4 | 2241 |
| 5 | 19845 |
| 6 | 177633 |
| 7 | 1595781 |
| 8 | 14353281 |
| 9 | 129153285 |
| 10 | 1162300833 |
| 11 | 10460471301 |
| 12 | 94143533121 |
| 13 | 847289672325 |
| 14 | 7625600673633 |
| 15 | 68630386930821 |
| 16 | 617673424981761 |
| 17 | 5559060652648965 |
| 18 | 50031545357280033 |
| 19 | 450283906665838341 |
[5,33,261,2241,19845,177633,1595781,14353281, 129153285,1162300833,10460471301,94143533121, 847289672325,7625600673633,68630386930821, 617673424981761,5559060652648965, 50031545357280033,450283906665838341] |