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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 13 |
| 4 | 16 |
| 5 | 49 |
| 6 | 52 |
| 7 | 157 |
| 8 | 160 |
| 9 | 193 |
| 10 | 196 |
| 11 | 589 |
| 12 | 592 |
| 13 | 625 |
| 14 | 628 |
| 15 | 1885 |
| 16 | 1888 |
| 17 | 1921 |
| 18 | 1924 |
| 19 | 2317 |
| 20 | 2320 |
| 21 | 2353 |
| 22 | 2356 |
| 23 | 7069 |
| 24 | 7072 |
| 25 | 7105 |
| 26 | 7108 |
| 27 | 7501 |
| 28 | 7504 |
| 29 | 7537 |
| 30 | 7540 |
| 31 | 22621 |
| 32 | 22624 |
| 33 | 22657 |
| 34 | 22660 |
| 35 | 23053 |
| 36 | 23056 |
| 37 | 23089 |
| 38 | 23092 |
| 39 | 27805 |
| 40 | 27808 |
[1,4,13,16,49,52,157,160,193,196,589,592,625,628, 1885,1888,1921,1924,2317,2320,2353,2356,7069,7072, 7105,7108,7501,7504,7537,7540,22621,22624,22657, 22660,23053,23056,23089,23092,27805,27808] |