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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 12 |
| 8 | 20 |
| 9 | 27 |
| 10 | 39 |
| 11 | 51 |
| 12 | 74 |
| 13 | 95 |
| 14 | 130 |
| 15 | 169 |
| 16 | 225 |
| 17 | 288 |
| 18 | 378 |
| 19 | 479 |
| 20 | 617 |
| 21 | 778 |
| 22 | 990 |
| 23 | 1239 |
| 24 | 1560 |
| 25 | 1938 |
| 26 | 2419 |
| 27 | 2986 |
| 28 | 3696 |
| 29 | 4538 |
| 30 | 5575 |
| 31 | 6810 |
| 32 | 8319 |
| 33 | 10102 |
| 34 | 12274 |
| 35 | 14834 |
| 36 | 17932 |
| 37 | 21587 |
| 38 | 25963 |
| 39 | 31120 |
| 40 | 37275 |
| 41 | 44513 |
| 42 | 53097 |
| 43 | 63181 |
| 44 | 75092 |
| 45 | 89030 |
| 46 | 105460 |
| 47 | 124647 |
[0,0,1,2,4,5,10,12,20,27,39,51,74,95,130,169,225, 288,378,479,617,778,990,1239,1560,1938,2419,2986, 3696,4538,5575,6810,8319,10102,12274,14834,17932, 21587,25963,31120,37275,44513,53097,63181,75092, 89030,105460,124647] |