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| n | a(n) |
|---|---|
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 8 |
| 7 | 12 |
| 8 | 15 |
| 9 | 19 |
| 10 | 21 |
| 11 | 28 |
| 12 | 31 |
| 13 | 39 |
| 14 | 43 |
| 15 | 48 |
| 16 | 53 |
| 17 | 64 |
| 18 | 68 |
| 19 | 80 |
| 20 | 86 |
| 21 | 94 |
| 22 | 100 |
| 23 | 115 |
| 24 | 120 |
| 25 | 133 |
| 26 | 141 |
| 27 | 153 |
| 28 | 161 |
| 29 | 180 |
| 30 | 186 |
| 31 | 206 |
| 32 | 217 |
| 33 | 230 |
| 34 | 240 |
| 35 | 256 |
| 36 | 264 |
| 37 | 288 |
| 38 | 300 |
| 39 | 316 |
| 40 | 326 |
| 41 | 353 |
| 42 | 361 |
| 43 | 389 |
| 44 | 403 |
| 45 | 419 |
| 46 | 433 |
| 47 | 464 |
| 48 | 475 |
| 49 | 503 |
| 50 | 517 |
| 51 | 538 |
| 52 | 554 |
| 53 | 589 |
| 54 | 601 |
| 55 | 627 |
| 56 | 643 |
| 57 | 667 |
[1,3,4,7,8,12,15,19,21,28,31,39,43,48,53,64,68,80, 86,94,100,115,120,133,141,153,161,180,186,206,217, 230,240,256,264,288,300,316,326,353,361,389,403, 419,433,464,475,503,517,538,554,589,601,627,643, 667] |