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| n | a(n) |
|---|---|
| 1 | 133 |
| 2 | 416 |
| 3 | 1002 |
| 4 | 2264 |
| 5 | 4786 |
| 6 | 9786 |
| 7 | 19548 |
| 8 | 38674 |
| 9 | 76196 |
| 10 | 150192 |
| 11 | 296626 |
| 12 | 587420 |
| 13 | 1166206 |
| 14 | 2320222 |
| 15 | 4623712 |
| 16 | 9225118 |
| 17 | 18421072 |
| 18 | 36804772 |
| 19 | 73562342 |
| 20 | 147065944 |
| 21 | 294059610 |
| 22 | 588031298 |
| 23 | 1175956612 |
| 24 | 2351786634 |
| 25 | 4703423196 |
| 26 | 9406669816 |
[133,416,1002,2264,4786,9786,19548,38674,76196, 150192,296626,587420,1166206,2320222,4623712, 9225118,18421072,36804772,73562342,147065944, 294059610,588031298,1175956612,2351786634, 4703423196,9406669816] |