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| n | a(n) |
|---|---|
| 1 | 560 |
| 2 | 754 |
| 3 | 1100 |
| 4 | 1816 |
| 5 | 3188 |
| 6 | 6076 |
| 7 | 11876 |
| 8 | 24340 |
| 9 | 50180 |
| 10 | 107044 |
| 11 | 227780 |
| 12 | 500356 |
| 13 | 1090628 |
| 14 | 2457796 |
| 15 | 5468996 |
| 16 | 12611140 |
| 17 | 28568900 |
| 18 | 67202884 |
| 19 | 154536260 |
| 20 | 369513796 |
| 21 | 859910468 |
| 22 | 2082568516 |
| 23 | 4890632516 |
| 24 | 11957948740 |
| 25 | 28269265220 |
| 26 | 69599027524 |
[560,754,1100,1816,3188,6076,11876,24340,50180, 107044,227780,500356,1090628,2457796,5468996, 12611140,28568900,67202884,154536260,369513796, 859910468,2082568516,4890632516,11957948740, 28269265220,69599027524] |