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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 4 |
| 10 | 7 |
| 11 | 11 |
| 12 | 16 |
| 13 | 22 |
| 14 | 29 |
| 15 | 38 |
| 16 | 52 |
| 17 | 76 |
| 18 | 117 |
| 19 | 184 |
| 20 | 288 |
| 21 | 442 |
| 22 | 662 |
| 23 | 972 |
| 24 | 1414 |
| 25 | 2063 |
| 26 | 3047 |
| 27 | 4572 |
| 28 | 6952 |
| 29 | 10645 |
| 30 | 16303 |
| 31 | 24857 |
| 32 | 37672 |
| 33 | 56821 |
| 34 | 85541 |
| 35 | 128948 |
| 36 | 195103 |
| 37 | 296548 |
| 38 | 452501 |
| 39 | 692053 |
| 40 | 1058990 |
| 41 | 1619311 |
| 42 | 2473171 |
| 43 | 3773889 |
| 44 | 5757885 |
| 45 | 8791090 |
[1,1,1,1,1,1,1,1,2,4,7,11,16,22,29,38,52,76,117, 184,288,442,662,972,1414,2063,3047,4572,6952, 10645,16303,24857,37672,56821,85541,128948,195103, 296548,452501,692053,1058990,1619311,2473171, 3773889,5757885,8791090] |