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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 10 |
| 7 | 18 |
| 8 | 33 |
| 9 | 61 |
| 10 | 122 |
| 11 | 234 |
| 12 | 450 |
| 13 | 867 |
| 14 | 1673 |
| 15 | 3346 |
| 16 | 6570 |
| 17 | 12906 |
| 18 | 25362 |
| 19 | 49857 |
| 20 | 98041 |
| 21 | 196082 |
| 22 | 388818 |
| 23 | 771066 |
| 24 | 1529226 |
| 25 | 3033090 |
| 26 | 6016323 |
| 27 | 11934605 |
| 28 | 23869210 |
| 29 | 47542338 |
| 30 | 94695858 |
| 31 | 188620650 |
| 32 | 275712074 |
| 33 | 748391058 |
| 34 | 1490765793 |
| 35 | 2969596981 |
| 36 | 5939193962 |
| 37 | 11854518714 |
[1,1,1,2,3,5,10,18,33,61,122,234,450,867,1673, 3346,6570,12906,25362,49857,98041,196082,388818, 771066,1529226,3033090,6016323,11934605,23869210, 47542338,94695858,188620650,275712074,748391058, 1490765793,2969596981,5939193962,11854518714] |