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| n | a(n) |
|---|---|
| 1 | 20025 |
| 2 | 36085 |
| 3 | 94046 |
| 4 | 237142 |
| 5 | 848547 |
| 6 | 2892699 |
| 7 | 8113568 |
| 8 | 29479780 |
| 9 | 102515893 |
| 10 | 303454217 |
| 11 | 1103232945 |
| 12 | 3874324883 |
| 13 | 11951362082 |
| 14 | 43336404358 |
| 15 | 152949477561 |
| 16 | 486387698163 |
| 17 | 1758213474430 |
| 18 | 6216858050103 |
| 19 | 20208620436696 |
| 20 | 72836307733722 |
[20025,36085,94046,237142,848547,2892699,8113568, 29479780,102515893,303454217,1103232945, 3874324883,11951362082,43336404358,152949477561, 486387698163,1758213474430,6216858050103, 20208620436696,72836307733722] |