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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 5 |
| 9 | 7 |
| 10 | 10 |
| 11 | 14 |
| 12 | 19 |
| 13 | 26 |
| 14 | 36 |
| 15 | 48 |
| 16 | 64 |
| 17 | 87 |
| 18 | 116 |
| 19 | 155 |
| 20 | 210 |
| 21 | 283 |
| 22 | 382 |
| 23 | 518 |
| 24 | 701 |
| 25 | 948 |
| 26 | 1282 |
| 27 | 1732 |
| 28 | 2339 |
| 29 | 3158 |
| 30 | 4263 |
| 31 | 5756 |
| 32 | 7772 |
| 33 | 10495 |
| 34 | 14176 |
| 35 | 19148 |
| 36 | 25865 |
| 37 | 34941 |
| 38 | 47198 |
| 39 | 63753 |
| 40 | 86114 |
| 41 | 116311 |
| 42 | 157095 |
| 43 | 212181 |
| 44 | 286580 |
| 45 | 387070 |
| 46 | 522805 |
| 47 | 706142 |
| 48 | 953777 |
| 49 | 1288260 |
| 50 | 1740044 |
[1,1,1,2,2,2,3,4,5,7,10,14,19,26,36,48,64,87,116, 155,210,283,382,518,701,948,1282,1732,2339,3158, 4263,5756,7772,10495,14176,19148,25865,34941, 47198,63753,86114,116311,157095,212181,286580, 387070,522805,706142,953777,1288260,1740044] |