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 A062929 #10 Mar 13 2023 11:39:59 %S A062929 0,1,2,3,4,3640,7863,7894,8186,11830,18200,39315,39470,40930,59150, %T A062929 2521602,3278326,4167678,13196470,17870857,17992485,20838390,36724952, %U A062929 58516102,73231902,89354285,89962425,105564531,200046408,301764432,446771425,449812125,633387186 %N A062929 Numbers k that, when expressed in base 5 and then interpreted in base 7, give a multiple of k. %e A062929 3640 in base 5 is 104030, which interpreted in base 7 is 18200=5*3640. %t A062929 Select[Range[0,20*10^6],Divisible[FromDigits[IntegerDigits[#,5],7],#]&] (* _Harvey P. Dale_, Jul 18 2015 *) %Y A062929 Cf. A062845, A062846, A062847, A062848, A062849, A062850, A062853, A062864, A062865, A062884, A062889, A062891, A062920, A062921, A062922, A062923, A062925, A062928, A062930, A062931, A062934, A062937, A062939, A062942, A062943, A062944. %K A062929 base,nonn %O A062929 1,3 %A A062929 _Erich Friedman_, Jul 21 2001 %E A062929 More terms from _Naohiro Nomoto_, Aug 06 2001 %E A062929 Offset changed to 1 and a(22)-a(33) from _Georg Fischer_, Mar 13 2023