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| n | a(n) |
|---|---|
| 1 | 66874 |
| 2 | 152178 |
| 3 | 359962 |
| 4 | 1039502 |
| 5 | 2965442 |
| 6 | 9463558 |
| 7 | 29462346 |
| 8 | 98737622 |
| 9 | 322636258 |
| 10 | 1117067382 |
| 11 | 3774395002 |
| 12 | 13420696070 |
| 13 | 46603012898 |
| 14 | 169749671638 |
| 15 | 604053459162 |
| 16 | 2250894106886 |
| 17 | 8193769097074 |
| 18 | 31201221798150 |
| 19 | 116002816755994 |
[66874,152178,359962,1039502,2965442,9463558, 29462346,98737622,322636258,1117067382,3774395002, 13420696070,46603012898,169749671638,604053459162, 2250894106886,8193769097074,31201221798150, 116002816755994] |