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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 13 |
| 6 | 23 |
| 7 | 43 |
| 8 | 76 |
| 9 | 138 |
| 10 | 244 |
| 11 | 444 |
| 12 | 795 |
| 13 | 1444 |
| 14 | 2600 |
| 15 | 4705 |
| 16 | 8474 |
| 17 | 15307 |
| 18 | 27583 |
| 19 | 49797 |
| 20 | 89800 |
| 21 | 162088 |
| 22 | 292388 |
| 23 | 527663 |
| 24 | 951922 |
| 25 | 1717692 |
| 26 | 3098937 |
| 27 | 5591589 |
| 28 | 10088361 |
| 29 | 18202665 |
| 30 | 32841990 |
| 31 | 59256835 |
| 32 | 106914493 |
| 33 | 192904396 |
| 34 | 348050363 |
| 35 | 627980316 |
| 36 | 1133045001 |
[1,1,2,4,6,13,23,43,76,138,244,444,795,1444,2600, 4705,8474,15307,27583,49797,89800,162088,292388, 527663,951922,1717692,3098937,5591589,10088361, 18202665,32841990,59256835,106914493,192904396, 348050363,627980316,1133045001] |