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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 2 |
| 11 | 2 |
| 12 | 3 |
| 13 | 5 |
| 14 | 6 |
| 15 | 8 |
| 16 | 11 |
| 17 | 11 |
| 18 | 13 |
| 19 | 20 |
| 20 | 20 |
| 21 | 27 |
| 22 | 28 |
| 23 | 35 |
| 24 | 32 |
| 25 | 51 |
| 26 | 41 |
| 27 | 60 |
| 28 | 53 |
| 29 | 74 |
| 30 | 75 |
| 31 | 112 |
| 32 | 83 |
| 33 | 136 |
| 34 | 103 |
| 35 | 162 |
| 36 | 126 |
| 37 | 205 |
| 38 | 143 |
| 39 | 246 |
| 40 | 170 |
| 41 | 283 |
| 42 | 219 |
| 43 | 365 |
| 44 | 217 |
| 45 | 415 |
| 46 | 276 |
| 47 | 475 |
| 48 | 310 |
| 49 | 554 |
| 50 | 320 |
| 51 | 642 |
| 52 | 376 |
| 53 | 690 |
| 54 | 446 |
| 55 | 835 |
| 56 | 443 |
| 57 | 944 |
| 58 | 532 |
| 59 | 1019 |
| 60 | 587 |
[0,0,0,0,0,0,0,0,0,0,2,2,3,5,6,8,11,11,13,20,20, 27,28,35,32,51,41,60,53,74,75,112,83,136,103,162, 126,205,143,246,170,283,219,365,217,415,276,475, 310,554,320,642,376,690,446,835,443,944,532,1019, 587] |