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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 1 |
| 14 | 2 |
| 15 | 3 |
| 16 | 5 |
| 17 | 9 |
| 18 | 11 |
| 19 | 16 |
| 20 | 25 |
| 21 | 34 |
| 22 | 45 |
| 23 | 64 |
| 24 | 87 |
| 25 | 121 |
| 26 | 160 |
| 27 | 212 |
| 28 | 279 |
| 29 | 369 |
| 30 | 481 |
| 31 | 614 |
| 32 | 797 |
| 33 | 1027 |
| 34 | 1308 |
| 35 | 1670 |
| 36 | 2102 |
| 37 | 2661 |
| 38 | 3345 |
| 39 | 4189 |
| 40 | 5224 |
| 41 | 6494 |
| 42 | 8069 |
| 43 | 9982 |
| 44 | 12281 |
| 45 | 15093 |
| 46 | 18508 |
| 47 | 22731 |
| 48 | 27564 |
| 49 | 33639 |
| 50 | 40757 |
| 51 | 49496 |
| 52 | 59838 |
| 53 | 72228 |
[0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,5,9,11,16,25,34,45, 64,87,121,160,212,279,369,481,614,797,1027,1308, 1670,2102,2661,3345,4189,5224,6494,8069,9982, 12281,15093,18508,22731,27564,33639,40757,49496, 59838,72228] |