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 A037441 #19 Apr 24 2021 02:03:59 %S A037441 1,2,3,4,5,6,7,124,177,283,568,769,906,946,1528,1749,1811,1812,1978, %T A037441 2759,3372,3381,4221,5112,5231,6656,6791,6849,6976,7016,7183,7887, %U A037441 8080,8280,8649,8858,8867,8912,8921,8922,8932,10325,10381,10409,10577 %N A037441 Positive numbers having the same set of digits in base 8 and base 9. %H A037441 John Cerkan, <a href="/A037441/b037441.txt">Table of n, a(n) for n = 1..10000</a> %e A037441 283 is in the sequence because 283 in base 8 is 433 and in base 9 it is 344. %t A037441 Select[Range@ 11000, Union@ IntegerDigits[#, 8] == Union@ IntegerDigits[#, 9] &] (* _Michael De Vlieger_, Feb 18 2017 *) %o A037441 (PARI) isok(n) = Set(digits(n, 8)) == Set(digits(n, 9)); \\ _Michel Marcus_, Feb 18 2017 %Y A037441 Subsequence of A037405. %Y A037441 Cf. A007094, A007095. %K A037441 nonn,base %O A037441 1,2 %A A037441 _Clark Kimberling_ %E A037441 More terms from _Don Reble_, Apr 28 2006 %E A037441 Edited by _John Cerkan_, Feb 17 2017