| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 8 |
| 3 | 13 |
| 4 | 17 |
| 5 | 23 |
| 6 | 26 |
| 7 | 31 |
| 8 | 37 |
| 9 | 40 |
| 10 | 45 |
| 11 | 48 |
| 12 | 55 |
| 13 | 59 |
| 14 | 62 |
| 15 | 69 |
| 16 | 72 |
| 17 | 76 |
| 18 | 80 |
| 19 | 86 |
| 20 | 90 |
| 21 | 94 |
| 22 | 100 |
| 23 | 104 |
| 24 | 108 |
| 25 | 111 |
| 26 | 118 |
| 27 | 121 |
| 28 | 125 |
| 29 | 132 |
| 30 | 135 |
| 31 | 140 |
| 32 | 143 |
| 33 | 149 |
| 34 | 153 |
| 35 | 156 |
| 36 | 163 |
| 37 | 167 |
| 38 | 171 |
| 39 | 175 |
| 40 | 181 |
| 41 | 184 |
| 42 | 188 |
| 43 | 194 |
| 44 | 198 |
| 45 | 203 |
| 46 | 206 |
| 47 | 213 |
| 48 | 216 |
| 49 | 219 |
[1,4,8,13,17,23,26,31,37,40,45,48,55,59,62,69,72, 76,80,86,90,94,100,104,108,111,118,121,125,132, 135,140,143,149,153,156,163,167,171,175,181,184, 188,194,198,203,206,213,216,219] |