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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 4 |
| 3 | 7 |
| 4 | 12 |
| 5 | 16 |
| 6 | 19 |
| 7 | 24 |
| 8 | 28 |
| 9 | 31 |
| 10 | 36 |
| 11 | 40 |
| 12 | 43 |
| 13 | 48 |
| 14 | 52 |
| 15 | 55 |
| 16 | 60 |
| 17 | 64 |
| 18 | 67 |
| 19 | 72 |
| 20 | 76 |
| 21 | 79 |
| 22 | 84 |
| 23 | 88 |
| 24 | 91 |
| 25 | 96 |
| 26 | 100 |
| 27 | 103 |
| 28 | 108 |
| 29 | 112 |
| 30 | 115 |
| 31 | 120 |
| 32 | 124 |
| 33 | 127 |
| 34 | 132 |
| 35 | 136 |
| 36 | 139 |
| 37 | 144 |
| 38 | 148 |
| 39 | 151 |
| 40 | 156 |
| 41 | 160 |
| 42 | 163 |
| 43 | 168 |
| 44 | 172 |
| 45 | 175 |
| 46 | 180 |
| 47 | 184 |
| 48 | 187 |
| 49 | 192 |
| 50 | 196 |
| 51 | 199 |
| 52 | 204 |
| 53 | 208 |
| 54 | 211 |
| 55 | 216 |
| 56 | 220 |
[0,4,7,12,16,19,24,28,31,36,40,43,48,52,55,60,64, 67,72,76,79,84,88,91,96,100,103,108,112,115,120, 124,127,132,136,139,144,148,151,156,160,163,168, 172,175,180,184,187,192,196,199,204,208,211,216, 220] |