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| n | a(n) |
|---|---|
| 1 | 54410 |
| 2 | 291165 |
| 3 | 1043885 |
| 4 | 2955136 |
| 5 | 7134786 |
| 6 | 15344785 |
| 7 | 30214465 |
| 8 | 55486360 |
| 9 | 96292546 |
| 10 | 159461501 |
| 11 | 253855485 |
| 12 | 390738440 |
| 13 | 584174410 |
| 14 | 851456481 |
| 15 | 1213566241 |
| 16 | 1695663760 |
| 17 | 2327608090 |
| 18 | 3144508285 |
| 19 | 4187304941 |
| 20 | 5503382256 |
| 21 | 7147210610 |
[54410,291165,1043885,2955136,7134786,15344785, 30214465,55486360,96292546,159461501,253855485, 390738440,584174410,851456481,1213566241, 1695663760,2327608090,3144508285,4187304941, 5503382256,7147210610] |