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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 2 |
| 4 | 0 |
| 5 | 3 |
| 6 | 1 |
| 7 | 6 |
| 8 | 3 |
| 9 | 10 |
| 10 | 7 |
| 11 | 18 |
| 12 | 15 |
| 13 | 30 |
| 14 | 28 |
| 15 | 51 |
| 16 | 50 |
| 17 | 82 |
| 18 | 87 |
| 19 | 134 |
| 20 | 145 |
| 21 | 211 |
| 22 | 235 |
| 23 | 331 |
| 24 | 375 |
| 25 | 510 |
| 26 | 586 |
| 27 | 779 |
| 28 | 901 |
| 29 | 1172 |
| 30 | 1366 |
| 31 | 1750 |
| 32 | 2045 |
| 33 | 2581 |
| 34 | 3026 |
| 35 | 3778 |
| 36 | 4433 |
| 37 | 5476 |
| 38 | 6430 |
| 39 | 7878 |
| 40 | 9246 |
| 41 | 11240 |
| 42 | 13189 |
| 43 | 15931 |
| 44 | 18670 |
| 45 | 22417 |
| 46 | 26242 |
| 47 | 31349 |
| 48 | 36646 |
| 49 | 43567 |
| 50 | 50854 |
[1,0,2,0,3,1,6,3,10,7,18,15,30,28,51,50,82,87,134, 145,211,235,331,375,510,586,779,901,1172,1366, 1750,2045,2581,3026,3778,4433,5476,6430,7878,9246, 11240,13189,15931,18670,22417,26242,31349,36646, 43567,50854] |