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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 4 |
| 9 | 5 |
| 10 | 5 |
| 11 | 7 |
| 12 | 9 |
| 13 | 9 |
| 14 | 13 |
| 15 | 15 |
| 16 | 18 |
| 17 | 22 |
| 18 | 30 |
| 19 | 32 |
| 20 | 41 |
| 21 | 48 |
| 22 | 57 |
| 23 | 65 |
| 24 | 82 |
| 25 | 88 |
| 26 | 111 |
| 27 | 124 |
| 28 | 148 |
| 29 | 169 |
| 30 | 203 |
| 31 | 225 |
| 32 | 275 |
| 33 | 310 |
| 34 | 363 |
| 35 | 408 |
| 36 | 484 |
| 37 | 537 |
| 38 | 635 |
| 39 | 709 |
| 40 | 824 |
| 41 | 918 |
| 42 | 1075 |
| 43 | 1191 |
| 44 | 1379 |
| 45 | 1540 |
| 46 | 1767 |
| 47 | 1971 |
| 48 | 2269 |
| 49 | 2517 |
| 50 | 2889 |
| 51 | 3208 |
| 52 | 3656 |
| 53 | 4068 |
| 54 | 4629 |
| 55 | 5120 |
| 56 | 5813 |
| 57 | 6452 |
| 58 | 7280 |
| 59 | 8068 |
| 60 | 9113 |
[1,0,1,1,1,1,2,2,4,5,5,7,9,9,13,15,18,22,30,32,41, 48,57,65,82,88,111,124,148,169,203,225,275,310, 363,408,484,537,635,709,824,918,1075,1191,1379, 1540,1767,1971,2269,2517,2889,3208,3656,4068,4629, 5120,5813,6452,7280,8068,9113] |