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| n | a(n) |
|---|---|
| 1 | 335 |
| 2 | 578 |
| 3 | 5760 |
| 4 | 44050 |
| 5 | 360196 |
| 6 | 2628898 |
| 7 | 18149260 |
| 8 | 114306440 |
| 9 | 641511811 |
| 10 | 3199259658 |
| 11 | 14641967639 |
| 12 | 60085046104 |
| 13 | 226607593574 |
| 14 | 780635651041 |
| 15 | 2485466746310 |
| 16 | 7338252792056 |
| 17 | 20191975951936 |
| 18 | 52010906173702 |
[335,578,5760,44050,360196,2628898,18149260, 114306440,641511811,3199259658,14641967639, 60085046104,226607593574,780635651041, 2485466746310,7338252792056,20191975951936, 52010906173702] |