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| n | a(n) |
|---|---|
| 1 | 184 |
| 2 | 744 |
| 3 | 2672 |
| 4 | 10820 |
| 5 | 39680 |
| 6 | 161060 |
| 7 | 600928 |
| 8 | 2443916 |
| 9 | 9247456 |
| 10 | 37667316 |
| 11 | 144145184 |
| 12 | 587867372 |
| 13 | 2270003552 |
| 14 | 9266785652 |
| 15 | 36041646880 |
| 16 | 147245616428 |
| 17 | 576021402208 |
| 18 | 2354746576308 |
| 19 | 9255402599456 |
| 20 | 37854511615724 |
| 21 | 149371395546464 |
[184,744,2672,10820,39680,161060,600928,2443916, 9247456,37667316,144145184,587867372,2270003552, 9266785652,36041646880,147245616428,576021402208, 2354746576308,9255402599456,37854511615724, 149371395546464] |