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| n | a(n) |
|---|---|
| 1 | 61472 |
| 2 | 92328 |
| 3 | 149608 |
| 4 | 282048 |
| 5 | 566936 |
| 6 | 1274544 |
| 7 | 2995048 |
| 8 | 7603440 |
| 9 | 19947032 |
| 10 | 55347408 |
| 11 | 157602088 |
| 12 | 468497328 |
| 13 | 1423485656 |
| 14 | 4480816464 |
| 15 | 14392051048 |
| 16 | 47675263920 |
| 17 | 160980618392 |
| 18 | 558520484688 |
| 19 | 1971390265768 |
| 20 | 7118618309808 |
[61472,92328,149608,282048,566936,1274544,2995048, 7603440,19947032,55347408,157602088,468497328, 1423485656,4480816464,14392051048,47675263920, 160980618392,558520484688,1971390265768, 7118618309808] |