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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 67695 |
| 3 | 411292 |
| 4 | 1134035 |
| 5 | 1184876 |
| 6 | 2112836 |
| 7 | 2455255 |
| 8 | 4073384 |
| 9 | 11293009 |
| 10 | 16171470 |
| 11 | 18589912 |
| 12 | 34388501 |
| 13 | 63609329 |
| 14 | 63711615 |
| 15 | 117446600 |
| 16 | 166530856 |
| 17 | 284034387 |
| 18 | 449805631 |
| 19 | 637548135 |
| 20 | 685361103 |
| 21 | 783484793 |
| 22 | 888180400 |
| 23 | 1121365940 |
[19,67695,411292,1134035,1184876,2112836,2455255, 4073384,11293009,16171470,18589912,34388501, 63609329,63711615,117446600,166530856,284034387, 449805631,637548135,685361103,783484793,888180400, 1121365940] |