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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 14 |
| 5 | 24 |
| 6 | 42 |
| 7 | 74 |
| 8 | 130 |
| 9 | 228 |
| 10 | 400 |
| 11 | 702 |
| 12 | 1232 |
| 13 | 2162 |
| 14 | 3794 |
| 15 | 6658 |
| 16 | 11684 |
| 17 | 20504 |
| 18 | 35982 |
| 19 | 63144 |
| 20 | 110810 |
| 21 | 194458 |
| 22 | 341250 |
| 23 | 598852 |
| 24 | 1050912 |
| 25 | 1844222 |
| 26 | 3236384 |
| 27 | 5679458 |
| 28 | 9966754 |
| 29 | 17490434 |
| 30 | 30693572 |
| 31 | 53863464 |
| 32 | 94523790 |
| 33 | 165877688 |
| 34 | 291095050 |
| 35 | 510836202 |
[1,2,4,8,14,24,42,74,130,228,400,702,1232,2162, 3794,6658,11684,20504,35982,63144,110810,194458, 341250,598852,1050912,1844222,3236384,5679458, 9966754,17490434,30693572,53863464,94523790, 165877688,291095050,510836202] |