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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 6 |
| 5 | 16 |
| 6 | 20 |
| 7 | 40 |
| 8 | 50 |
| 9 | 85 |
| 10 | 105 |
| 11 | 161 |
| 12 | 196 |
| 13 | 280 |
| 14 | 336 |
| 15 | 456 |
| 16 | 540 |
| 17 | 705 |
| 18 | 825 |
| 19 | 1045 |
| 20 | 1210 |
| 21 | 1496 |
| 22 | 1716 |
| 23 | 2080 |
| 24 | 2366 |
| 25 | 2821 |
| 26 | 3185 |
| 27 | 3745 |
| 28 | 4200 |
| 29 | 4880 |
| 30 | 5440 |
| 31 | 6256 |
| 32 | 6936 |
| 33 | 7905 |
| 34 | 8721 |
| 35 | 9861 |
| 36 | 10830 |
| 37 | 12160 |
| 38 | 13300 |
| 39 | 14840 |
| 40 | 16170 |
| 41 | 17941 |
| 42 | 19481 |
| 43 | 21505 |
| 44 | 23276 |
| 45 | 25576 |
| 46 | 27600 |
[0,1,1,5,6,16,20,40,50,85,105,161,196,280,336,456, 540,705,825,1045,1210,1496,1716,2080,2366,2821, 3185,3745,4200,4880,5440,6256,6936,7905,8721,9861, 10830,12160,13300,14840,16170,17941,19481,21505, 23276,25576,27600] |