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| n | a(n) |
|---|---|
| 1 | 9922 |
| 2 | 219824 |
| 3 | 718514 |
| 4 | 1619714 |
| 5 | 4297634 |
| 6 | 13842872 |
| 7 | 44099648 |
| 8 | 135348914 |
| 9 | 414030384 |
| 10 | 1274652450 |
| 11 | 3930132146 |
| 12 | 12105939362 |
| 13 | 37274285880 |
| 14 | 114781892768 |
| 15 | 353490924114 |
| 16 | 1088626770704 |
| 17 | 3352521852434 |
| 18 | 10324377012002 |
| 19 | 31794906089378 |
[9922,219824,718514,1619714,4297634,13842872, 44099648,135348914,414030384,1274652450, 3930132146,12105939362,37274285880,114781892768, 353490924114,1088626770704,3352521852434, 10324377012002,31794906089378] |