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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 244 |
| 3 | 1372 |
| 4 | 5893 |
| 5 | 19771 |
| 6 | 54992 |
| 7 | 132810 |
| 8 | 287700 |
| 9 | 572042 |
| 10 | 1061520 |
| 11 | 1861242 |
| 12 | 3112580 |
| 13 | 5000730 |
| 14 | 7762992 |
| 15 | 11697770 |
| 16 | 17174292 |
| 17 | 24643050 |
| 18 | 34646960 |
| 19 | 47833242 |
| 20 | 64966020 |
| 21 | 86939642 |
| 22 | 114792720 |
| 23 | 149722890 |
| 24 | 193102292 |
| 25 | 246493770 |
[64,244,1372,5893,19771,54992,132810,287700, 572042,1061520,1861242,3112580,5000730,7762992, 11697770,17174292,24643050,34646960,47833242, 64966020,86939642,114792720,149722890,193102292, 246493770] |