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| n | a(n) |
|---|---|
| 10 | 1 |
| 11 | 10 |
| 12 | 110 |
| 13 | 1100 |
| 14 | 11440 |
| 15 | 122122 |
| 16 | 1356355 |
| 17 | 15695680 |
| 18 | 189496450 |
| 19 | 2386901660 |
| 20 | 31351799908 |
| 21 | 429069944160 |
| 22 | 6112269059260 |
| 23 | 90535884261900 |
| 24 | 1392850530925700 |
| 25 | 22231833692574880 |
| 26 | 367758543399421625 |
| 27 | 6298103145093331000 |
| 28 | 111551381242802518875 |
| 29 | 2041429096543928691600 |
[1,10,110,1100,11440,122122,1356355,15695680, 189496450,2386901660,31351799908,429069944160, 6112269059260,90535884261900,1392850530925700, 22231833692574880,367758543399421625, 6298103145093331000,111551381242802518875, 2041429096543928691600] |