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| n | a(n) |
|---|---|
| 1 | 48 |
| 2 | 76 |
| 3 | 172 |
| 4 | 338 |
| 5 | 628 |
| 6 | 1298 |
| 7 | 2752 |
| 8 | 5526 |
| 9 | 10972 |
| 10 | 22462 |
| 11 | 46160 |
| 12 | 93354 |
| 13 | 188556 |
| 14 | 384154 |
| 15 | 782784 |
| 16 | 1587790 |
| 17 | 3221196 |
| 18 | 6550678 |
| 19 | 13318688 |
| 20 | 27044962 |
| 21 | 54927964 |
| 22 | 111631314 |
| 23 | 226840208 |
| 24 | 460792838 |
| 25 | 936118684 |
| 26 | 1902095342 |
| 27 | 3864635632 |
| 28 | 7851378074 |
[48,76,172,338,628,1298,2752,5526,10972,22462, 46160,93354,188556,384154,782784,1587790,3221196, 6550678,13318688,27044962,54927964,111631314, 226840208,460792838,936118684,1902095342, 3864635632,7851378074] |