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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 2 |
| 8 | 6 |
| 9 | 3 |
| 10 | 8 |
| 11 | 14 |
| 12 | 11 |
| 13 | 20 |
| 14 | 35 |
| 15 | 31 |
| 16 | 51 |
| 17 | 77 |
| 18 | 75 |
| 19 | 113 |
| 20 | 166 |
| 21 | 168 |
| 22 | 241 |
| 23 | 333 |
| 24 | 351 |
| 25 | 482 |
| 26 | 651 |
| 27 | 697 |
| 28 | 935 |
| 29 | 1223 |
| 30 | 1339 |
| 31 | 1745 |
| 32 | 2251 |
| 33 | 2486 |
| 34 | 3190 |
| 35 | 4030 |
| 36 | 4499 |
| 37 | 5675 |
| 38 | 7101 |
| 39 | 7960 |
| 40 | 9930 |
| 41 | 12244 |
| 42 | 13821 |
| 43 | 17011 |
| 44 | 20817 |
| 45 | 23532 |
| 46 | 28737 |
| 47 | 34795 |
| 48 | 39466 |
| 49 | 47727 |
| 50 | 57427 |
[0,0,1,0,1,2,1,2,6,3,8,14,11,20,35,31,51,77,75, 113,166,168,241,333,351,482,651,697,935,1223,1339, 1745,2251,2486,3190,4030,4499,5675,7101,7960,9930, 12244,13821,17011,20817,23532,28737,34795,39466, 47727,57427] |