| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 5 |
| 7 | 10 |
| 8 | 12 |
| 9 | 20 |
| 10 | 25 |
| 11 | 41 |
| 12 | 47 |
| 13 | 76 |
| 14 | 90 |
| 15 | 129 |
| 16 | 161 |
| 17 | 230 |
| 18 | 270 |
| 19 | 384 |
| 20 | 458 |
| 21 | 615 |
| 22 | 750 |
| 23 | 1001 |
| 24 | 1187 |
| 25 | 1570 |
| 26 | 1881 |
| 27 | 2414 |
| 28 | 2907 |
| 29 | 3717 |
| 30 | 4400 |
| 31 | 5603 |
| 32 | 6666 |
| 33 | 8306 |
| 34 | 9912 |
| 35 | 12295 |
| 36 | 14537 |
| 37 | 17976 |
| 38 | 21252 |
| 39 | 25937 |
| 40 | 30683 |
| 41 | 37337 |
| 42 | 43861 |
| 43 | 53173 |
| 44 | 62467 |
| 45 | 75020 |
| 46 | 88132 |
[1,0,1,2,4,5,10,12,20,25,41,47,76,90,129,161,230, 270,384,458,615,750,1001,1187,1570,1881,2414,2907, 3717,4400,5603,6666,8306,9912,12295,14537,17976, 21252,25937,30683,37337,43861,53173,62467,75020, 88132] |