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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 9 |
| 5 | 12 |
| 6 | 15 |
| 7 | 18 |
| 8 | 21 |
| 9 | 25 |
| 10 | 29 |
| 11 | 33 |
| 12 | 37 |
| 13 | 41 |
| 14 | 45 |
| 15 | 49 |
| 16 | 53 |
| 17 | 57 |
| 18 | 61 |
| 19 | 65 |
| 20 | 69 |
| 21 | 73 |
| 22 | 77 |
| 23 | 81 |
| 24 | 85 |
| 25 | 90 |
| 26 | 95 |
| 27 | 100 |
| 28 | 105 |
| 29 | 110 |
| 30 | 115 |
| 31 | 120 |
| 32 | 125 |
| 33 | 130 |
| 34 | 135 |
| 35 | 140 |
| 36 | 145 |
| 37 | 150 |
| 38 | 155 |
| 39 | 160 |
| 40 | 165 |
| 41 | 170 |
| 42 | 175 |
| 43 | 180 |
| 44 | 185 |
| 45 | 190 |
| 46 | 195 |
| 47 | 200 |
| 48 | 205 |
| 49 | 210 |
| 50 | 215 |
| 51 | 220 |
| 52 | 225 |
| 53 | 230 |
| 54 | 235 |
| 55 | 240 |
| 56 | 245 |
| 57 | 250 |
| 58 | 255 |
| 59 | 260 |
[0,2,4,6,9,12,15,18,21,25,29,33,37,41,45,49,53,57, 61,65,69,73,77,81,85,90,95,100,105,110,115,120, 125,130,135,140,145,150,155,160,165,170,175,180, 185,190,195,200,205,210,215,220,225,230,235,240, 245,250,255,260] |