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| n | a(n) |
|---|---|
| 1 | 11776 |
| 2 | 22568 |
| 3 | 40144 |
| 4 | 89600 |
| 5 | 184144 |
| 6 | 459536 |
| 7 | 1062832 |
| 8 | 2873552 |
| 9 | 7275856 |
| 10 | 20859728 |
| 11 | 56503984 |
| 12 | 169327760 |
| 13 | 482451664 |
| 14 | 1496230736 |
| 15 | 4431395632 |
| 16 | 14119144592 |
| 17 | 43104667216 |
| 18 | 140303136848 |
| 19 | 438787720624 |
| 20 | 1452514539920 |
| 21 | 4631009477584 |
[11776,22568,40144,89600,184144,459536,1062832, 2873552,7275856,20859728,56503984,169327760, 482451664,1496230736,4431395632,14119144592, 43104667216,140303136848,438787720624, 1452514539920,4631009477584] |