| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 7 |
| 3 | 11 |
| 4 | 16 |
| 5 | 20 |
| 6 | 23 |
| 7 | 28 |
| 8 | 34 |
| 9 | 37 |
| 10 | 41 |
| 11 | 48 |
| 12 | 49 |
| 13 | 55 |
| 14 | 59 |
| 15 | 65 |
| 16 | 66 |
| 17 | 71 |
| 18 | 78 |
| 19 | 79 |
| 20 | 86 |
| 21 | 89 |
| 22 | 96 |
| 23 | 97 |
| 24 | 100 |
| 25 | 108 |
| 26 | 109 |
| 27 | 117 |
| 28 | 117 |
| 29 | 126 |
| 30 | 126 |
| 31 | 130 |
| 32 | 139 |
| 33 | 139 |
| 34 | 148 |
| 35 | 148 |
| 36 | 155 |
| 37 | 156 |
| 38 | 160 |
| 39 | 170 |
| 40 | 167 |
| 41 | 178 |
| 42 | 177 |
| 43 | 185 |
| 44 | 187 |
| 45 | 190 |
| 46 | 201 |
| 47 | 198 |
| 48 | 207 |
| 49 | 207 |
[1,4,7,11,16,20,23,28,34,37,41,48,49,55,59,65,66, 71,78,79,86,89,96,97,100,108,109,117,117,126,126, 130,139,139,148,148,155,156,160,170,167,178,177, 185,187,190,201,198,207,207] |