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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 9 |
| 8 | 12 |
| 9 | 19 |
| 10 | 39 |
| 11 | 50 |
| 12 | 93 |
| 13 | 136 |
| 14 | 166 |
| 15 | 239 |
| 16 | 409 |
| 17 | 682 |
| 18 | 814 |
| 19 | 1314 |
| 20 | 1774 |
| 21 | 2081 |
| 22 | 3231 |
| 23 | 4272 |
| 24 | 6475 |
| 25 | 11077 |
| 26 | 14270 |
| 27 | 16265 |
| 28 | 20810 |
| 29 | 23621 |
| 30 | 30031 |
| 31 | 68251 |
| 32 | 85326 |
| 33 | 118917 |
| 34 | 132815 |
| 35 | 226097 |
| 36 | 251301 |
| 37 | 342448 |
| 38 | 463940 |
| 39 | 565844 |
| 40 | 759873 |
| 41 | 1015302 |
| 42 | 1117708 |
| 43 | 1787452 |
| 44 | 1961624 |
[0,0,1,2,3,5,9,12,19,39,50,93,136,166,239,409,682, 814,1314,1774,2081,3231,4272,6475,11077,14270, 16265,20810,23621,30031,68251,85326,118917,132815, 226097,251301,342448,463940,565844,759873,1015302, 1117708,1787452,1961624] |