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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 7 |
| 8 | 8 |
| 9 | 18 |
| 10 | 20 |
| 11 | 44 |
| 12 | 60 |
| 13 | 104 |
| 14 | 126 |
| 15 | 180 |
| 16 | 224 |
| 17 | 340 |
| 18 | 396 |
| 19 | 551 |
| 20 | 640 |
| 21 | 882 |
| 22 | 1034 |
| 23 | 1357 |
| 24 | 1536 |
| 25 | 2025 |
| 26 | 2314 |
| 27 | 2943 |
| 28 | 3304 |
| 29 | 4176 |
| 30 | 4680 |
| 31 | 5797 |
| 32 | 6464 |
| 33 | 7887 |
| 34 | 8806 |
| 35 | 10605 |
| 36 | 11664 |
| 37 | 14023 |
| 38 | 15504 |
| 39 | 18291 |
| 40 | 20040 |
| 41 | 23657 |
| 42 | 25956 |
| 43 | 30272 |
| 44 | 32956 |
| 45 | 38295 |
| 46 | 41860 |
| 47 | 48269 |
[0,0,0,0,0,0,0,7,8,18,20,44,60,104,126,180,224, 340,396,551,640,882,1034,1357,1536,2025,2314,2943, 3304,4176,4680,5797,6464,7887,8806,10605,11664, 14023,15504,18291,20040,23657,25956,30272,32956, 38295,41860,48269] |