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| n | a(n) |
|---|---|
| 9 | 1 |
| 10 | 0 |
| 11 | 1 |
| 12 | 1 |
| 13 | 2 |
| 14 | 2 |
| 15 | 4 |
| 16 | 4 |
| 17 | 7 |
| 18 | 8 |
| 19 | 12 |
| 20 | 14 |
| 21 | 21 |
| 22 | 24 |
| 23 | 34 |
| 24 | 41 |
| 25 | 55 |
| 26 | 66 |
| 27 | 88 |
| 28 | 105 |
| 29 | 136 |
| 30 | 165 |
| 31 | 208 |
| 32 | 253 |
| 33 | 316 |
| 34 | 382 |
| 35 | 471 |
| 36 | 571 |
| 37 | 696 |
| 38 | 840 |
| 39 | 1019 |
| 40 | 1224 |
| 41 | 1474 |
| 42 | 1768 |
| 43 | 2114 |
| 44 | 2527 |
| 45 | 3010 |
| 46 | 3582 |
| 47 | 4247 |
| 48 | 5042 |
| 49 | 5951 |
| 50 | 7040 |
| 51 | 8285 |
| 52 | 9766 |
| 53 | 11454 |
| 54 | 13465 |
| 55 | 15742 |
| 56 | 18448 |
| 57 | 21516 |
| 58 | 25136 |
| 59 | 29241 |
| 60 | 34073 |
[1,0,1,1,2,2,4,4,7,8,12,14,21,24,34,41,55,66,88, 105,136,165,208,253,316,382,471,571,696,840,1019, 1224,1474,1768,2114,2527,3010,3582,4247,5042,5951, 7040,8285,9766,11454,13465,15742,18448,21516, 25136,29241,34073] |