| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 6 |
| 3 | 10 |
| 4 | 15 |
| 5 | 10 |
| 6 | 6 |
| 7 | 10 |
| 8 | 15 |
| 9 | 21 |
| 10 | 28 |
| 11 | 36 |
| 12 | 45 |
| 13 | 36 |
| 14 | 28 |
| 15 | 36 |
| 16 | 45 |
| 17 | 55 |
| 18 | 36 |
| 19 | 21 |
| 20 | 28 |
| 21 | 36 |
| 22 | 45 |
| 23 | 36 |
| 24 | 28 |
| 25 | 36 |
| 26 | 45 |
| 27 | 55 |
| 28 | 66 |
| 29 | 78 |
| 30 | 91 |
| 31 | 78 |
| 32 | 66 |
| 33 | 78 |
| 34 | 91 |
| 35 | 105 |
| 36 | 78 |
| 37 | 55 |
| 38 | 66 |
| 39 | 78 |
| 40 | 91 |
| 41 | 78 |
| 42 | 66 |
| 43 | 78 |
| 44 | 91 |
| 45 | 105 |
| 46 | 120 |
| 47 | 136 |
| 48 | 153 |
| 49 | 120 |
| 50 | 78 |
| 51 | 91 |
| 52 | 105 |
| 53 | 91 |
| 54 | 78 |
| 55 | 66 |
| 56 | 78 |
| 57 | 105 |
| 58 | 120 |
| 59 | 136 |
| 60 | 153 |
| 61 | 171 |
| 62 | 153 |
[3,6,10,15,10,6,10,15,21,28,36,45,36,28,36,45,55, 36,21,28,36,45,36,28,36,45,55,66,78,91,78,66,78, 91,105,78,55,66,78,91,78,66,78,91,105,120,136,153, 120,78,91,105,91,78,66,78,105,120,136,153,171,153] |