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| n | a(n) |
|---|---|
| 0 | 12 |
| 1 | 22 |
| 2 | 38 |
| 3 | 65 |
| 4 | 113 |
| 5 | 202 |
| 6 | 372 |
| 7 | 703 |
| 8 | 1355 |
| 9 | 2648 |
| 10 | 5222 |
| 11 | 10357 |
| 12 | 20613 |
| 13 | 41110 |
| 14 | 82088 |
| 15 | 164027 |
| 16 | 327887 |
| 17 | 655588 |
| 18 | 1310970 |
| 19 | 2621713 |
| 20 | 5243177 |
| 21 | 10486082 |
| 22 | 20971868 |
| 23 | 41943415 |
| 24 | 83886483 |
| 25 | 167772592 |
| 26 | 335544782 |
| 27 | 671089133 |
| 28 | 1342177805 |
| 29 | 2684355118 |
| 30 | 5368709712 |
| 31 | 10737418867 |
[12,22,38,65,113,202,372,703,1355,2648,5222,10357, 20613,41110,82088,164027,327887,655588,1310970, 2621713,5243177,10486082,20971868,41943415, 83886483,167772592,335544782,671089133,1342177805, 2684355118,5368709712,10737418867] |