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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 10 |
| 3 | 183 |
| 4 | 5140 |
| 5 | 196005 |
| 6 | 9468486 |
| 7 | 554425963 |
| 8 | 38171336680 |
| 9 | 3022130473065 |
| 10 | 270537702834250 |
| 11 | 27021535857472431 |
| 12 | 2979254055371578524 |
| 13 | 359411244032212931533 |
| 14 | 47093111659782104431438 |
| 15 | 6660135357832421444841555 |
| 16 | 1011181346455643980818939856 |
[1,1,10,183,5140,196005,9468486,554425963, 38171336680,3022130473065,270537702834250, 27021535857472431,2979254055371578524, 359411244032212931533,47093111659782104431438, 6660135357832421444841555, 1011181346455643980818939856] |