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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 11 |
| 6 | 19 |
| 7 | 29 |
| 8 | 55 |
| 9 | 113 |
| 10 | 223 |
| 11 | 409 |
| 12 | 747 |
| 13 | 1405 |
| 14 | 2691 |
| 15 | 5109 |
| 16 | 9587 |
| 17 | 17965 |
| 18 | 33851 |
| 19 | 63973 |
| 20 | 120731 |
| 21 | 227365 |
| 22 | 428091 |
| 23 | 806789 |
| 24 | 1521291 |
| 25 | 2867861 |
| 26 | 5404363 |
| 27 | 10183893 |
| 28 | 19193547 |
| 29 | 36177333 |
| 30 | 68186667 |
| 31 | 128509269 |
| 32 | 242195691 |
| 33 | 456468629 |
| 34 | 860324843 |
| 35 | 1621477013 |
[1,1,1,1,5,11,19,29,55,113,223,409,747,1405,2691, 5109,9587,17965,33851,63973,120731,227365,428091, 806789,1521291,2867861,5404363,10183893,19193547, 36177333,68186667,128509269,242195691,456468629, 860324843,1621477013] |