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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 2 |
| 11 | 4 |
| 12 | 4 |
| 13 | 5 |
| 14 | 5 |
| 15 | 7 |
| 16 | 7 |
| 17 | 11 |
| 18 | 12 |
| 19 | 14 |
| 20 | 14 |
| 21 | 19 |
| 22 | 20 |
| 23 | 26 |
| 24 | 28 |
| 25 | 34 |
| 26 | 35 |
| 27 | 43 |
| 28 | 45 |
| 29 | 56 |
| 30 | 61 |
| 31 | 72 |
| 32 | 75 |
| 33 | 90 |
| 34 | 96 |
| 35 | 113 |
| 36 | 122 |
| 37 | 143 |
| 38 | 151 |
| 39 | 175 |
| 40 | 186 |
| 41 | 216 |
| 42 | 233 |
| 43 | 268 |
| 44 | 284 |
| 45 | 325 |
| 46 | 348 |
| 47 | 395 |
| 48 | 424 |
| 49 | 483 |
| 50 | 515 |
| 51 | 580 |
| 52 | 619 |
| 53 | 697 |
| 54 | 748 |
| 55 | 841 |
| 56 | 897 |
| 57 | 1002 |
| 58 | 1072 |
| 59 | 1193 |
| 60 | 1277 |
| 61 | 1425 |
[0,0,0,0,1,1,1,1,2,2,4,4,5,5,7,7,11,12,14,14,19, 20,26,28,34,35,43,45,56,61,72,75,90,96,113,122, 143,151,175,186,216,233,268,284,325,348,395,424, 483,515,580,619,697,748,841,897,1002,1072,1193, 1277,1425] |