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| n | a(n) |
|---|---|
| 1 | 966 |
| 2 | 1870 |
| 3 | 3886 |
| 4 | 8686 |
| 5 | 20490 |
| 6 | 50570 |
| 7 | 129378 |
| 8 | 340782 |
| 9 | 918878 |
| 10 | 2525262 |
| 11 | 7049658 |
| 12 | 19942026 |
| 13 | 57058610 |
| 14 | 164910430 |
| 15 | 480976574 |
| 16 | 1414571198 |
| 17 | 4192696714 |
| 18 | 12517386890 |
| 19 | 37626434786 |
| 20 | 113828691374 |
| 21 | 346430157502 |
| 22 | 1060262602062 |
| 23 | 3261932440186 |
[966,1870,3886,8686,20490,50570,129378,340782, 918878,2525262,7049658,19942026,57058610, 164910430,480976574,1414571198,4192696714, 12517386890,37626434786,113828691374,346430157502, 1060262602062,3261932440186] |