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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 136 |
| 3 | 1701 |
| 4 | 20672 |
| 5 | 248707 |
| 6 | 2985768 |
| 7 | 35831465 |
| 8 | 429981184 |
| 9 | 5159779623 |
| 10 | 61917363224 |
| 11 | 743008369357 |
| 12 | 8916100446528 |
| 13 | 106993205376875 |
| 14 | 1283918464546120 |
| 15 | 15407021574582993 |
| 16 | 184884258895032320 |
| 17 | 2218611106740432079 |
| 18 | 26623333280885238072 |
| 19 | 319479999370622919989 |
[1,11,136,1701,20672,248707,2985768,35831465, 429981184,5159779623,61917363224,743008369357, 8916100446528,106993205376875,1283918464546120, 15407021574582993,184884258895032320, 2218611106740432079,26623333280885238072, 319479999370622919989] |