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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 2 |
| 13 | 2 |
| 14 | 2 |
| 15 | 5 |
| 16 | 5 |
| 17 | 8 |
| 18 | 10 |
| 19 | 9 |
| 20 | 11 |
| 21 | 16 |
| 22 | 18 |
| 23 | 21 |
| 24 | 28 |
| 25 | 27 |
| 26 | 36 |
| 27 | 41 |
| 28 | 48 |
| 29 | 46 |
| 30 | 67 |
| 31 | 54 |
| 32 | 82 |
| 33 | 78 |
| 34 | 99 |
| 35 | 86 |
| 36 | 126 |
| 37 | 104 |
| 38 | 156 |
| 39 | 129 |
| 40 | 181 |
| 41 | 152 |
| 42 | 238 |
| 43 | 175 |
| 44 | 277 |
| 45 | 221 |
| 46 | 325 |
| 47 | 249 |
| 48 | 405 |
| 49 | 295 |
| 50 | 480 |
| 51 | 342 |
| 52 | 542 |
| 53 | 394 |
| 54 | 660 |
| 55 | 430 |
| 56 | 752 |
| 57 | 517 |
| 58 | 851 |
| 59 | 584 |
| 60 | 1005 |
| 61 | 643 |
[0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,5,5,8,10,9,11,16, 18,21,28,27,36,41,48,46,67,54,82,78,99,86,126,104, 156,129,181,152,238,175,277,221,325,249,405,295, 480,342,542,394,660,430,752,517,851,584,1005,643] |