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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 15 |
| 4 | 27 |
| 5 | 31 |
| 6 | 51 |
| 7 | 55 |
| 8 | 63 |
| 9 | 111 |
| 10 | 119 |
| 11 | 123 |
| 12 | 125 |
| 13 | 127 |
| 14 | 219 |
| 15 | 255 |
| 16 | 411 |
| 17 | 447 |
| 18 | 485 |
| 19 | 493 |
| 20 | 495 |
| 21 | 505 |
| 22 | 511 |
| 23 | 735 |
| 24 | 765 |
| 25 | 771 |
| 26 | 831 |
| 27 | 879 |
| 28 | 927 |
| 29 | 959 |
| 30 | 965 |
| 31 | 985 |
| 32 | 1011 |
| 33 | 1023 |
| 34 | 1563 |
| 35 | 1587 |
| 36 | 1611 |
| 37 | 1731 |
| 38 | 1779 |
| 39 | 1791 |
| 40 | 1799 |
| 41 | 1887 |
| 42 | 1921 |
| 43 | 1923 |
| 44 | 1945 |
| 45 | 1975 |
| 46 | 1983 |
| 47 | 1991 |
| 48 | 2019 |
| 49 | 2031 |
| 50 | 2041 |
| 51 | 2043 |
| 52 | 2045 |
| 53 | 2047 |
| 54 | 3099 |
| 55 | 3183 |
| 56 | 3231 |
| 57 | 3279 |
| 58 | 3291 |
| 59 | 3327 |
| 60 | 3459 |
| 61 | 3535 |
| 62 | 3579 |
[3,7,15,27,31,51,55,63,111,119,123,125,127,219, 255,411,447,485,493,495,505,511,735,765,771,831, 879,927,959,965,985,1011,1023,1563,1587,1611,1731, 1779,1791,1799,1887,1921,1923,1945,1975,1983,1991, 2019,2031,2041,2043,2045,2047,3099,3183,3231,3279, 3291,3327,3459,3535,3579] |