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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 21 |
| 3 | 22 |
| 4 | 945 |
| 5 | 967 |
| 6 | 20285 |
| 7 | 21252 |
| 8 | 912869 |
| 9 | 934121 |
| 10 | 19595289 |
| 11 | 20529410 |
| 12 | 881830509 |
| 13 | 902359919 |
| 14 | 18929028889 |
| 15 | 19831388808 |
| 16 | 851847358825 |
| 17 | 871678747633 |
| 18 | 18285422311485 |
| 19 | 19157101059118 |
| 20 | 822883666794441 |
| 21 | 842040767853559 |
| 22 | 17663699023865621 |
| 23 | 18505739791719180 |
[1,1,21,22,945,967,20285,21252,912869,934121, 19595289,20529410,881830509,902359919,18929028889, 19831388808,851847358825,871678747633, 18285422311485,19157101059118,822883666794441, 842040767853559,17663699023865621, 18505739791719180] |