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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 8 |
| 3 | 19 |
| 4 | 41 |
| 5 | 83 |
| 6 | 161 |
| 7 | 299 |
| 8 | 538 |
| 9 | 942 |
| 10 | 1610 |
| 11 | 2694 |
| 12 | 4427 |
| 13 | 7153 |
| 14 | 11387 |
| 15 | 17884 |
| 16 | 27741 |
| 17 | 42543 |
| 18 | 64565 |
| 19 | 97034 |
| 20 | 144519 |
| 21 | 213432 |
| 22 | 312720 |
| 23 | 454803 |
| 24 | 656835 |
| 25 | 942364 |
| 26 | 1343596 |
| 27 | 1904354 |
| 28 | 2684008 |
| 29 | 3762667 |
| 30 | 5248002 |
| 31 | 7284132 |
| 32 | 10063319 |
| 33 | 13841107 |
| 34 | 18956002 |
[1,3,8,19,41,83,161,299,538,942,1610,2694,4427, 7153,11387,17884,27741,42543,64565,97034,144519, 213432,312720,454803,656835,942364,1343596, 1904354,2684008,3762667,5248002,7284132,10063319, 13841107,18956002] |