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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 4 |
| 8 | 5 |
| 9 | 9 |
| 10 | 12 |
| 11 | 17 |
| 12 | 21 |
| 13 | 34 |
| 14 | 38 |
| 15 | 57 |
| 16 | 72 |
| 17 | 97 |
| 18 | 121 |
| 19 | 169 |
| 20 | 204 |
| 21 | 279 |
| 22 | 338 |
| 23 | 440 |
| 24 | 551 |
| 25 | 703 |
| 26 | 857 |
| 27 | 1095 |
| 28 | 1341 |
| 29 | 1664 |
| 30 | 2038 |
| 31 | 2536 |
| 32 | 3061 |
| 33 | 3777 |
| 34 | 4578 |
| 35 | 5564 |
| 36 | 6726 |
| 37 | 8170 |
| 38 | 9776 |
| 39 | 11849 |
| 40 | 14131 |
| 41 | 16992 |
| 42 | 20246 |
| 43 | 24264 |
| 44 | 28703 |
| 45 | 34322 |
| 46 | 40535 |
| 47 | 48156 |
| 48 | 56761 |
| 49 | 67239 |
[0,0,0,0,0,1,2,4,5,9,12,17,21,34,38,57,72,97,121, 169,204,279,338,440,551,703,857,1095,1341,1664, 2038,2536,3061,3777,4578,5564,6726,8170,9776, 11849,14131,16992,20246,24264,28703,34322,40535, 48156,56761,67239] |