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| n | a(n) |
|---|---|
| 1 | 6434041 |
| 2 | 89002225 |
| 3 | 865125625 |
| 4 | 89610625 |
| 5 | 353440516 |
| 6 | 29160156025 |
| 7 | 18989880481 |
| 8 | 37434450625 |
| 9 | 72399370000 |
| 10 | 444515646025 |
| 11 | 346008660625 |
| 12 | 2003915162500 |
| 13 | 9475360381201 |
| 14 | 166729268761 |
| 15 | 13110591519025 |
| 16 | 8007417968121 |
| 17 | 11201866562500 |
| 18 | 3095696620900 |
| 19 | 61956758281561 |
[6434041,89002225,865125625,89610625,353440516, 29160156025,18989880481,37434450625,72399370000, 444515646025,346008660625,2003915162500, 9475360381201,166729268761,13110591519025, 8007417968121,11201866562500,3095696620900, 61956758281561] |