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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 12 |
| 8 | 20 |
| 9 | 26 |
| 10 | 38 |
| 11 | 51 |
| 12 | 73 |
| 13 | 92 |
| 14 | 126 |
| 15 | 166 |
| 16 | 219 |
| 17 | 283 |
| 18 | 369 |
| 19 | 470 |
| 20 | 604 |
| 21 | 763 |
| 22 | 968 |
| 23 | 1217 |
| 24 | 1534 |
| 25 | 1907 |
| 26 | 2376 |
| 27 | 2944 |
| 28 | 3640 |
| 29 | 4476 |
| 30 | 5501 |
| 31 | 6723 |
| 32 | 8212 |
| 33 | 9986 |
| 34 | 12130 |
| 35 | 14682 |
| 36 | 17748 |
| 37 | 21376 |
| 38 | 25717 |
| 39 | 30847 |
| 40 | 36959 |
| 41 | 44152 |
| 42 | 52688 |
| 43 | 62714 |
| 44 | 74557 |
| 45 | 88440 |
| 46 | 104775 |
| 47 | 123878 |
[0,0,1,2,4,5,10,12,20,26,38,51,73,92,126,166,219, 283,369,470,604,763,968,1217,1534,1907,2376,2944, 3640,4476,5501,6723,8212,9986,12130,14682,17748, 21376,25717,30847,36959,44152,52688,62714,74557, 88440,104775,123878] |