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| n | a(n) |
|---|---|
| 1 | 2470 |
| 2 | 4158 |
| 3 | 3241 |
| 4 | 4490 |
| 5 | 6414 |
| 6 | 9630 |
| 7 | 15363 |
| 8 | 26064 |
| 9 | 46635 |
| 10 | 86880 |
| 11 | 166407 |
| 12 | 324432 |
| 13 | 639387 |
| 14 | 1268136 |
| 15 | 2524407 |
| 16 | 5035656 |
| 17 | 10056795 |
| 18 | 20097648 |
| 19 | 40177863 |
| 20 | 80336736 |
| 21 | 160652859 |
| 22 | 321283416 |
| 23 | 642542775 |
| 24 | 1285059672 |
| 25 | 2570091579 |
| 26 | 5140153440 |
[2470,4158,3241,4490,6414,9630,15363,26064,46635, 86880,166407,324432,639387,1268136,2524407, 5035656,10056795,20097648,40177863,80336736, 160652859,321283416,642542775,1285059672, 2570091579,5140153440] |