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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 3 |
| 8 | 2 |
| 9 | 6 |
| 10 | 5 |
| 11 | 9 |
| 12 | 9 |
| 13 | 13 |
| 14 | 13 |
| 15 | 22 |
| 16 | 18 |
| 17 | 27 |
| 18 | 29 |
| 19 | 38 |
| 20 | 35 |
| 21 | 51 |
| 22 | 48 |
| 23 | 64 |
| 24 | 63 |
| 25 | 79 |
| 26 | 78 |
| 27 | 103 |
| 28 | 95 |
| 29 | 120 |
| 30 | 122 |
| 31 | 147 |
| 32 | 141 |
| 33 | 177 |
| 34 | 171 |
| 35 | 207 |
| 36 | 204 |
| 37 | 240 |
| 38 | 237 |
| 39 | 286 |
| 40 | 273 |
| 41 | 322 |
| 42 | 323 |
| 43 | 372 |
| 44 | 362 |
| 45 | 426 |
| 46 | 416 |
| 47 | 480 |
| 48 | 474 |
| 49 | 538 |
| 50 | 532 |
| 51 | 613 |
| 52 | 594 |
| 53 | 675 |
| 54 | 674 |
| 55 | 755 |
| 56 | 740 |
| 57 | 840 |
| 58 | 825 |
| 59 | 925 |
[0,0,1,0,1,2,3,2,6,5,9,9,13,13,22,18,27,29,38,35, 51,48,64,63,79,78,103,95,120,122,147,141,177,171, 207,204,240,237,286,273,322,323,372,362,426,416, 480,474,538,532,613,594,675,674,755,740,840,825, 925] |