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| n | a(n) |
|---|---|
| 1 | 300 |
| 2 | 1456 |
| 3 | 7220 |
| 4 | 34738 |
| 5 | 168120 |
| 6 | 843310 |
| 7 | 4176684 |
| 8 | 20234876 |
| 9 | 98488592 |
| 10 | 490709904 |
| 11 | 2423229752 |
| 12 | 11787571072 |
| 13 | 57592668148 |
| 14 | 285613778928 |
| 15 | 1407652995368 |
| 16 | 6867790813994 |
| 17 | 33631458148732 |
| 18 | 166268484651892 |
| 19 | 818421568319140 |
[300,1456,7220,34738,168120,843310,4176684, 20234876,98488592,490709904,2423229752, 11787571072,57592668148,285613778928, 1407652995368,6867790813994,33631458148732, 166268484651892,818421568319140] |