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A186803 as a simple table
| n | a(n) |
|---|---|
| 1 | 15016660 |
| 2 | 3147544633 |
| 3 | 675297305236 |
| 4 | 144968185692408 |
| 5 | 31102381776833744 |
| 6 | 6674101867860962707 |
[15016660,3147544633,675297305236,144968185692408, 31102381776833744,6674101867860962707] |