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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 5 |
| 7 | 9 |
| 8 | 17 |
| 9 | 25 |
| 10 | 41 |
| 11 | 57 |
| 12 | 84 |
| 13 | 112 |
| 14 | 154 |
| 15 | 197 |
| 16 | 262 |
| 17 | 325 |
| 18 | 414 |
| 19 | 506 |
| 20 | 629 |
| 21 | 751 |
| 22 | 915 |
| 23 | 1078 |
| 24 | 1289 |
| 25 | 1501 |
| 26 | 1767 |
| 27 | 2034 |
| 28 | 2370 |
| 29 | 2701 |
| 30 | 3108 |
| 31 | 3519 |
| 32 | 4014 |
| 33 | 4506 |
| 34 | 5100 |
| 35 | 5691 |
| 36 | 6393 |
| 37 | 7095 |
| 38 | 7917 |
| 39 | 8739 |
| 40 | 9703 |
| 41 | 10658 |
| 42 | 11765 |
| 43 | 12876 |
| 44 | 14150 |
| 45 | 15418 |
| 46 | 16874 |
| 47 | 18324 |
| 48 | 19974 |
[0,0,0,0,1,2,5,9,17,25,41,57,84,112,154,197,262, 325,414,506,629,751,915,1078,1289,1501,1767,2034, 2370,2701,3108,3519,4014,4506,5100,5691,6393,7095, 7917,8739,9703,10658,11765,12876,14150,15418, 16874,18324,19974] |