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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| 6 | 6 |
| 7 | 0 |
| 8 | 12 |
| 9 | 5 |
| 10 | 24 |
| 11 | 13 |
| 12 | 52 |
| 13 | 33 |
| 14 | 97 |
| 15 | 80 |
| 16 | 177 |
| 17 | 160 |
| 18 | 319 |
| 19 | 301 |
| 20 | 540 |
| 21 | 547 |
| 22 | 887 |
| 23 | 926 |
| 24 | 1429 |
| 25 | 1512 |
| 26 | 2219 |
| 27 | 2402 |
| 28 | 3367 |
| 29 | 3681 |
| 30 | 5015 |
| 31 | 5502 |
| 32 | 7294 |
| 33 | 8064 |
| 34 | 10419 |
| 35 | 11550 |
| 36 | 14664 |
| 37 | 16253 |
| 38 | 20287 |
| 39 | 22531 |
| 40 | 27682 |
| 41 | 30738 |
| 42 | 37319 |
| 43 | 41378 |
| 44 | 49671 |
| 45 | 55060 |
| 46 | 65390 |
| 47 | 72391 |
| 48 | 85250 |
[1,0,1,0,2,0,6,0,12,5,24,13,52,33,97,80,177,160, 319,301,540,547,887,926,1429,1512,2219,2402,3367, 3681,5015,5502,7294,8064,10419,11550,14664,16253, 20287,22531,27682,30738,37319,41378,49671,55060, 65390,72391,85250] |