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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 10 |
| 9 | 13 |
| 10 | 17 |
| 11 | 23 |
| 12 | 31 |
| 13 | 41 |
| 14 | 54 |
| 15 | 72 |
| 16 | 96 |
| 17 | 127 |
| 18 | 168 |
| 19 | 223 |
| 20 | 296 |
| 21 | 392 |
| 22 | 519 |
| 23 | 688 |
| 24 | 912 |
| 25 | 1208 |
| 26 | 1600 |
| 27 | 2120 |
| 28 | 2809 |
| 29 | 3721 |
| 30 | 4929 |
| 31 | 6530 |
| 32 | 8651 |
| 33 | 11460 |
| 34 | 15181 |
| 35 | 20111 |
| 36 | 26642 |
| 37 | 35293 |
| 38 | 46753 |
| 39 | 61935 |
| 40 | 82047 |
| 41 | 108689 |
| 42 | 143982 |
| 43 | 190736 |
| 44 | 252672 |
| 45 | 334719 |
| 46 | 443408 |
| 47 | 587391 |
[1,1,1,2,3,4,5,7,10,13,17,23,31,41,54,72,96,127, 168,223,296,392,519,688,912,1208,1600,2120,2809, 3721,4929,6530,8651,11460,15181,20111,26642,35293, 46753,61935,82047,108689,143982,190736,252672, 334719,443408,587391] |