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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 16 |
| 2 | 179 |
| 3 | 1766 |
| 4 | 16545 |
| 5 | 151572 |
| 6 | 1374943 |
| 7 | 12417922 |
| 8 | 111935549 |
| 9 | 1008117968 |
| 10 | 9075855867 |
| 11 | 81693883518 |
| 12 | 735289682713 |
| 13 | 6617786085004 |
| 14 | 59560790560151 |
| 15 | 536049978287354 |
| 16 | 4824461257701237 |
| 17 | 43420197132033480 |
[1,16,179,1766,16545,151572,1374943,12417922, 111935549,1008117968,9075855867,81693883518, 735289682713,6617786085004,59560790560151, 536049978287354,4824461257701237, 43420197132033480] |