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| n | a(n) |
|---|---|
| 2 | -1 |
| 3 | 1 |
| 4 | 5 |
| 5 | 10 |
| 6 | 15 |
| 7 | 20 |
| 8 | 25 |
| 9 | 30 |
| 10 | 35 |
| 11 | 40 |
| 12 | 45 |
| 13 | 48 |
| 14 | 55 |
| 15 | 60 |
| 16 | 65 |
| 17 | 68 |
| 18 | 75 |
| 19 | 78 |
| 20 | 85 |
| 21 | 88 |
| 22 | 95 |
| 23 | 98 |
| 24 | 105 |
| 25 | 106 |
| 26 | 115 |
| 27 | 118 |
| 28 | 125 |
| 29 | 126 |
| 30 | 135 |
| 31 | 136 |
| 32 | 145 |
| 33 | 146 |
| 34 | 155 |
| 35 | 156 |
| 36 | 165 |
| 37 | 164 |
| 38 | 175 |
| 39 | 176 |
| 40 | 185 |
| 41 | 184 |
| 42 | 195 |
| 43 | 194 |
| 44 | 205 |
| 45 | 204 |
| 46 | 215 |
| 47 | 214 |
| 48 | 225 |
| 49 | 222 |
| 50 | 235 |
| 51 | 234 |
| 52 | 245 |
| 53 | 242 |
| 54 | 255 |
| 55 | 252 |
[-1,1,5,10,15,20,25,30,35,40,45,48,55,60,65,68,75, 78,85,88,95,98,105,106,115,118,125,126,135,136, 145,146,155,156,165,164,175,176,185,184,195,194, 205,204,215,214,225,222,235,234,245,242,255,252] |