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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 16 |
| 3 | 18 |
| 4 | 20 |
| 5 | 21 |
| 6 | 24 |
| 7 | 26 |
| 8 | 27 |
| 9 | 33 |
| 10 | 35 |
| 11 | 38 |
| 12 | 40 |
| 13 | 44 |
| 14 | 45 |
| 15 | 48 |
| 16 | 50 |
| 17 | 51 |
| 18 | 52 |
| 19 | 56 |
| 20 | 57 |
| 21 | 62 |
| 22 | 63 |
| 23 | 65 |
| 24 | 68 |
| 25 | 69 |
| 26 | 74 |
| 27 | 75 |
| 28 | 76 |
| 29 | 77 |
| 30 | 80 |
| 31 | 85 |
| 32 | 86 |
| 33 | 91 |
| 34 | 92 |
| 35 | 93 |
| 36 | 95 |
| 37 | 96 |
| 38 | 98 |
| 39 | 99 |
| 40 | 104 |
| 41 | 106 |
| 42 | 108 |
| 43 | 111 |
| 44 | 115 |
| 45 | 117 |
| 46 | 119 |
| 47 | 122 |
| 48 | 123 |
| 49 | 126 |
| 50 | 129 |
| 51 | 133 |
| 52 | 134 |
| 53 | 135 |
| 54 | 136 |
| 55 | 141 |
| 56 | 143 |
| 57 | 144 |
| 58 | 145 |
| 59 | 146 |
| 60 | 147 |
[4,16,18,20,21,24,26,27,33,35,38,40,44,45,48,50, 51,52,56,57,62,63,65,68,69,74,75,76,77,80,85,86, 91,92,93,95,96,98,99,104,106,108,111,115,117,119, 122,123,126,129,133,134,135,136,141,143,144,145, 146,147] |