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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 5 |
| 9 | 9 |
| 10 | 12 |
| 11 | 20 |
| 12 | 27 |
| 13 | 42 |
| 14 | 56 |
| 15 | 80 |
| 16 | 107 |
| 17 | 151 |
| 18 | 195 |
| 19 | 265 |
| 20 | 342 |
| 21 | 453 |
| 22 | 577 |
| 23 | 753 |
| 24 | 949 |
| 25 | 1220 |
| 26 | 1525 |
| 27 | 1930 |
| 28 | 2398 |
| 29 | 3006 |
| 30 | 3701 |
| 31 | 4594 |
| 32 | 5625 |
| 33 | 6922 |
| 34 | 8426 |
| 35 | 10291 |
| 36 | 12455 |
| 37 | 15117 |
| 38 | 18203 |
| 39 | 21955 |
| 40 | 26326 |
| 41 | 31576 |
| 42 | 37689 |
| 43 | 45002 |
| 44 | 53498 |
| 45 | 63581 |
| 46 | 75313 |
| 47 | 89125 |
| 48 | 105199 |
| 49 | 124056 |
[0,0,0,0,0,1,1,3,5,9,12,20,27,42,56,80,107,151, 195,265,342,453,577,753,949,1220,1525,1930,2398, 3006,3701,4594,5625,6922,8426,10291,12455,15117, 18203,21955,26326,31576,37689,45002,53498,63581, 75313,89125,105199,124056] |