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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 2 |
| 12 | 2 |
| 13 | 3 |
| 14 | 4 |
| 15 | 5 |
| 16 | 6 |
| 17 | 8 |
| 18 | 10 |
| 19 | 13 |
| 20 | 17 |
| 21 | 22 |
| 22 | 30 |
| 23 | 40 |
| 24 | 53 |
| 25 | 71 |
| 26 | 96 |
| 27 | 128 |
| 28 | 173 |
| 29 | 233 |
| 30 | 314 |
| 31 | 425 |
| 32 | 575 |
| 33 | 780 |
| 34 | 1060 |
| 35 | 1442 |
| 36 | 1964 |
| 37 | 2680 |
| 38 | 3658 |
| 39 | 5000 |
| 40 | 6840 |
| 41 | 9366 |
| 42 | 12835 |
| 43 | 17604 |
| 44 | 24164 |
| 45 | 33194 |
| 46 | 45632 |
| 47 | 62775 |
| 48 | 86417 |
| 49 | 119038 |
| 50 | 164077 |
| 51 | 226287 |
| 52 | 312261 |
| 53 | 431138 |
[0,1,1,1,1,1,1,1,1,1,1,2,2,3,4,5,6,8,10,13,17,22, 30,40,53,71,96,128,173,233,314,425,575,780,1060, 1442,1964,2680,3658,5000,6840,9366,12835,17604, 24164,33194,45632,62775,86417,119038,164077, 226287,312261,431138] |