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| n | a(n) |
|---|---|
| 1 | 20 |
| 2 | 22 |
| 3 | 26 |
| 4 | 34 |
| 5 | 41 |
| 6 | 46 |
| 7 | 56 |
| 8 | 67 |
| 9 | 80 |
| 10 | 88 |
| 11 | 104 |
| 12 | 109 |
| 13 | 119 |
| 14 | 130 |
| 15 | 134 |
| 16 | 142 |
| 17 | 149 |
| 18 | 163 |
| 19 | 173 |
| 20 | 184 |
| 21 | 197 |
| 22 | 214 |
| 23 | 221 |
| 24 | 226 |
| 25 | 236 |
| 26 | 247 |
| 27 | 260 |
| 28 | 268 |
| 29 | 284 |
| 30 | 298 |
| 31 | 317 |
| 32 | 328 |
| 33 | 341 |
| 34 | 349 |
| 35 | 365 |
| 36 | 379 |
| 37 | 398 |
| 38 | 418 |
| 39 | 431 |
| 40 | 439 |
| 41 | 455 |
| 42 | 469 |
| 43 | 488 |
| 44 | 508 |
| 45 | 521 |
| 46 | 529 |
| 47 | 545 |
| 48 | 559 |
| 49 | 578 |
| 50 | 598 |
| 51 | 620 |
| 52 | 628 |
| 53 | 644 |
| 54 | 658 |
[20,22,26,34,41,46,56,67,80,88,104,109,119,130, 134,142,149,163,173,184,197,214,221,226,236,247, 260,268,284,298,317,328,341,349,365,379,398,418, 431,439,455,469,488,508,521,529,545,559,578,598, 620,628,644,658] |