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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 2 |
| 7 | 1 |
| 8 | 1 |
| 9 | 3 |
| 10 | 2 |
| 11 | 3 |
| 12 | 4 |
| 13 | 4 |
| 14 | 6 |
| 15 | 8 |
| 16 | 8 |
| 17 | 11 |
| 18 | 14 |
| 19 | 16 |
| 20 | 21 |
| 21 | 26 |
| 22 | 32 |
| 23 | 39 |
| 24 | 49 |
| 25 | 60 |
| 26 | 75 |
| 27 | 93 |
| 28 | 114 |
| 29 | 142 |
| 30 | 176 |
| 31 | 217 |
| 32 | 268 |
| 33 | 334 |
| 34 | 411 |
| 35 | 510 |
| 36 | 632 |
| 37 | 779 |
| 38 | 967 |
| 39 | 1196 |
| 40 | 1477 |
| 41 | 1832 |
| 42 | 2266 |
| 43 | 2801 |
| 44 | 3470 |
| 45 | 4291 |
| 46 | 5310 |
| 47 | 6572 |
| 48 | 8129 |
| 49 | 10061 |
| 50 | 12449 |
| 51 | 15401 |
| 52 | 19058 |
| 53 | 23581 |
| 54 | 29178 |
| 55 | 36102 |
| 56 | 44668 |
[1,1,0,1,1,0,2,1,1,3,2,3,4,4,6,8,8,11,14,16,21,26, 32,39,49,60,75,93,114,142,176,217,268,334,411,510, 632,779,967,1196,1477,1832,2266,2801,3470,4291, 5310,6572,8129,10061,12449,15401,19058,23581, 29178,36102,44668] |