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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 11 |
| 2 | 45 |
| 3 | 623 |
| 4 | 39927 |
| 5 | 958658 |
| 6 | 17996942 |
| 7 | 66272080 |
| 8 | 886949426 |
| 9 | 63668766395 |
| 10 | 1723899037353 |
| 11 | 3739892937802 |
| 12 | 38011789245435 |
| 13 | 2951122975394240 |
| 14 | 111901481337359547 |
| 15 | 1795679746931368837 |
| 16 | 27557487210519710974 |
| 17 | 708814173469855869708 |
| 18 | 2363294697242529398062 |
[0,11,45,623,39927,958658,17996942,66272080, 886949426,63668766395,1723899037353,3739892937802, 38011789245435,2951122975394240, 111901481337359547,1795679746931368837, 27557487210519710974,708814173469855869708, 2363294697242529398062] |