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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 6 |
| 3 | 12 |
| 4 | 20 |
| 5 | 36 |
| 6 | 58 |
| 7 | 100 |
| 8 | 160 |
| 9 | 268 |
| 10 | 430 |
| 11 | 708 |
| 12 | 1140 |
| 13 | 1860 |
| 14 | 3002 |
| 15 | 4876 |
| 16 | 7880 |
| 17 | 12772 |
| 18 | 20654 |
| 19 | 33444 |
| 20 | 54100 |
| 21 | 87564 |
| 22 | 141666 |
| 23 | 229252 |
| 24 | 370920 |
| 25 | 600196 |
| 26 | 971118 |
| 27 | 1571340 |
| 28 | 2542460 |
| 29 | 4113828 |
| 30 | 6656290 |
| 31 | 10770148 |
| 32 | 17426440 |
| 33 | 28196620 |
| 34 | 45623062 |
| 35 | 73819716 |
| 36 | 119442780 |
[1,3,6,12,20,36,58,100,160,268,430,708,1140,1860, 3002,4876,7880,12772,20654,33444,54100,87564, 141666,229252,370920,600196,971118,1571340, 2542460,4113828,6656290,10770148,17426440, 28196620,45623062,73819716,119442780] |