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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 20 |
| 3 | 23 |
| 4 | 61 |
| 5 | 66 |
| 6 | 123 |
| 7 | 130 |
| 8 | 206 |
| 9 | 215 |
| 10 | 310 |
| 11 | 321 |
| 12 | 435 |
| 13 | 448 |
| 14 | 581 |
| 15 | 596 |
| 16 | 748 |
| 17 | 765 |
| 18 | 936 |
| 19 | 955 |
| 20 | 1145 |
| 21 | 1166 |
| 22 | 1375 |
| 23 | 1398 |
| 24 | 1626 |
| 25 | 1651 |
| 26 | 1898 |
| 27 | 1925 |
| 28 | 2191 |
| 29 | 2220 |
| 30 | 2505 |
| 31 | 2536 |
| 32 | 2840 |
| 33 | 2873 |
| 34 | 3196 |
| 35 | 3231 |
| 36 | 3573 |
| 37 | 3610 |
| 38 | 3971 |
| 39 | 4010 |
| 40 | 4390 |
| 41 | 4431 |
| 42 | 4830 |
| 43 | 4873 |
| 44 | 5291 |
| 45 | 5336 |
| 46 | 5773 |
| 47 | 5820 |
| 48 | 6276 |
| 49 | 6325 |
| 50 | 6800 |
| 51 | 6851 |
| 52 | 7345 |
| 53 | 7398 |
| 54 | 7911 |
| 55 | 7966 |
[0,1,20,23,61,66,123,130,206,215,310,321,435,448, 581,596,748,765,936,955,1145,1166,1375,1398,1626, 1651,1898,1925,2191,2220,2505,2536,2840,2873,3196, 3231,3573,3610,3971,4010,4390,4431,4830,4873,5291, 5336,5773,5820,6276,6325,6800,6851,7345,7398,7911, 7966] |