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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 121 |
| 4 | 9598 |
| 5 | 1679181 |
| 6 | 453504350 |
| 7 | 172005077014 |
| 8 | 86949091994273 |
| 9 | 56483442337203525 |
| 10 | 45847249692285567451 |
| 11 | 45469223124152747878400 |
| 12 | 54099446571414415140387750 |
| 13 | 76055371931321606140937295538 |
| 14 | 124721482827599093214246240617246 |
[1,5,121,9598,1679181,453504350,172005077014, 86949091994273,56483442337203525, 45847249692285567451,45469223124152747878400, 54099446571414415140387750, 76055371931321606140937295538, 124721482827599093214246240617246] |