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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 13 |
| 4 | 24 |
| 5 | 33 |
| 6 | 37 |
| 7 | 52 |
| 8 | 61 |
| 9 | 69 |
| 10 | 73 |
| 11 | 88 |
| 12 | 97 |
| 13 | 109 |
| 14 | 121 |
| 15 | 132 |
| 16 | 141 |
| 17 | 157 |
| 18 | 177 |
| 19 | 181 |
| 20 | 184 |
| 21 | 193 |
| 22 | 213 |
| 23 | 229 |
| 24 | 241 |
| 25 | 244 |
| 26 | 249 |
| 27 | 253 |
| 28 | 277 |
| 29 | 292 |
| 30 | 312 |
| 31 | 313 |
| 32 | 321 |
| 33 | 337 |
| 34 | 349 |
| 35 | 373 |
| 36 | 376 |
| 37 | 388 |
| 38 | 393 |
| 39 | 397 |
| 40 | 409 |
| 41 | 421 |
| 42 | 429 |
| 43 | 433 |
| 44 | 457 |
| 45 | 472 |
| 46 | 481 |
| 47 | 501 |
| 48 | 517 |
| 49 | 529 |
| 50 | 537 |
| 51 | 541 |
| 52 | 564 |
| 53 | 568 |
| 54 | 573 |
| 55 | 577 |
[1,4,13,24,33,37,52,61,69,73,88,97,109,121,132, 141,157,177,181,184,193,213,229,241,244,249,253, 277,292,312,313,321,337,349,373,376,388,393,397, 409,421,429,433,457,472,481,501,517,529,537,541, 564,568,573,577] |