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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 2 |
| 6 | 4 |
| 7 | 3 |
| 8 | 7 |
| 9 | 8 |
| 10 | 16 |
| 11 | 15 |
| 12 | 24 |
| 13 | 28 |
| 14 | 39 |
| 15 | 44 |
| 16 | 68 |
| 17 | 80 |
| 18 | 98 |
| 19 | 130 |
| 20 | 167 |
| 21 | 200 |
| 22 | 259 |
| 23 | 320 |
| 24 | 396 |
| 25 | 497 |
| 26 | 601 |
| 27 | 737 |
| 28 | 910 |
| 29 | 1107 |
| 30 | 1335 |
| 31 | 1631 |
| 32 | 1983 |
| 33 | 2372 |
| 34 | 2887 |
| 35 | 3439 |
| 36 | 4166 |
| 37 | 4949 |
| 38 | 5940 |
| 39 | 7043 |
| 40 | 8450 |
| 41 | 9980 |
| 42 | 11884 |
| 43 | 13984 |
| 44 | 16679 |
| 45 | 19493 |
| 46 | 23162 |
| 47 | 27050 |
| 48 | 31937 |
| 49 | 37334 |
| 50 | 43926 |
[1,1,0,1,3,2,4,3,7,8,16,15,24,28,39,44,68,80,98, 130,167,200,259,320,396,497,601,737,910,1107,1335, 1631,1983,2372,2887,3439,4166,4949,5940,7043,8450, 9980,11884,13984,16679,19493,23162,27050,31937, 37334,43926] |