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| n | a(n) |
|---|---|
| 1 | 285 |
| 2 | 505 |
| 3 | 897 |
| 4 | 1593 |
| 5 | 2825 |
| 6 | 4999 |
| 7 | 8823 |
| 8 | 15918 |
| 9 | 28655 |
| 10 | 51435 |
| 11 | 92029 |
| 12 | 164152 |
| 13 | 292075 |
| 14 | 525208 |
| 15 | 944616 |
| 16 | 1696591 |
| 17 | 3040493 |
| 18 | 5435900 |
| 19 | 9700772 |
| 20 | 17406506 |
| 21 | 31264015 |
| 22 | 56133143 |
| 23 | 100654671 |
| 24 | 180181698 |
| 25 | 322111059 |
| 26 | 577430626 |
| 27 | 1036149427 |
| 28 | 1859477158 |
[285,505,897,1593,2825,4999,8823,15918,28655, 51435,92029,164152,292075,525208,944616,1696591, 3040493,5435900,9700772,17406506,31264015, 56133143,100654671,180181698,322111059,577430626, 1036149427,1859477158] |