This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A062889 #10 Mar 03 2023 13:34:49 %S A062889 0,1,2,5,11,12,23,24,33,36,50,69,72,120,132,144,240,288,360,396,432, %T A062889 576,720,931,1188,1296,1394,1440,2210,2753,2793,2880,3120,3600,3720, %U A062889 4320,6168,7200,8259,9360,11160,11352,12960,14400,18504,18720,21600,26174,28800,32544,34056,37440 %N A062889 When expressed in base 3 and then interpreted in base 8, is a multiple of the original number. %e A062889 11 in base 3 is 102, which interpreted in base 8 is 66 = 6*11. %t A062889 m38Q[n_]:=Divisible[FromDigits[IntegerDigits[n,3],8],n]; Join[ {0},Select[ Range[22000],m38Q]] (* _Harvey P. Dale_, May 05 2021 *) %K A062889 base,nonn %O A062889 1,3 %A A062889 _Erich Friedman_, Jul 21 2001 %E A062889 Offset changed to 1 and 5 more terms from _Georg Fischer_, Mar 03 2023