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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 4 |
| 4 | 8 |
| 5 | 20 |
| 6 | 21 |
| 7 | 56 |
| 8 | 60 |
| 9 | 96 |
| 10 | 105 |
| 11 | 220 |
| 12 | 152 |
| 13 | 364 |
| 14 | 301 |
| 15 | 360 |
| 16 | 464 |
| 17 | 816 |
| 18 | 549 |
| 19 | 1140 |
| 20 | 760 |
| 21 | 1036 |
| 22 | 1221 |
| 23 | 2024 |
| 24 | 1196 |
| 25 | 2200 |
| 26 | 2041 |
| 27 | 2484 |
| 28 | 2184 |
| 29 | 4060 |
| 30 | 2205 |
| 31 | 4960 |
| 32 | 3664 |
| 33 | 4224 |
| 34 | 4641 |
| 35 | 5180 |
| 36 | 4008 |
| 37 | 8436 |
| 38 | 6517 |
| 39 | 7072 |
| 40 | 5980 |
| 41 | 11480 |
| 42 | 6321 |
| 43 | 13244 |
| 44 | 8888 |
| 45 | 9540 |
| 46 | 11661 |
| 47 | 17296 |
[0,0,1,4,8,20,21,56,60,96,105,220,152,364,301,360, 464,816,549,1140,760,1036,1221,2024,1196,2200, 2041,2484,2184,4060,2205,4960,3664,4224,4641,5180, 4008,8436,6517,7072,5980,11480,6321,13244,8888, 9540,11661,17296] |