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 A037432 #19 Apr 23 2021 22:21:31 %S A037432 1,2,3,4,11,22,121,181,199,362,849,895,900,911,994,1074,1084,1495, %T A037432 1703,1711,1723,1739,1794,1800,1813,1822,2225,2287,2288,2299,2385, %U A037432 2469,2513,2515,2945,3001,3006,3034,3117,3249,6582,6663,6759,6761 %N A037432 Positive numbers having the same set of digits in base 5 and base 9. %H A037432 John Cerkan, <a href="/A037432/b037432.txt">Table of n, a(n) for n = 1..10000</a> %e A037432 362 is in the sequence because 362 in base 5 is 2422 and in base 9 it is 442. %t A037432 Select[Range[7000],Union[IntegerDigits[#,5]]==Union[IntegerDigits[#,9]]&] (* _Harvey P. Dale_, Mar 08 2011 *) %o A037432 (PARI) is(n)=Set(digits(n,5))==Set(digits(n,9)) \\ _Charles R Greathouse IV_, Feb 11 2017 %Y A037432 Subsequence of A037396. %K A037432 nonn,base %O A037432 1,2 %A A037432 _Clark Kimberling_ %E A037432 More terms from _Don Reble_, Apr 28 2006