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 A210441 #10 Jan 22 2023 13:39:06 %S A210441 1,4,6,8,9,10,12,14,15,16,18,20,21,24,25,26,27,28,30,32,34,35,36,38, %T A210441 39,40,42,45,46,48,49,50,51,52,54,56,57,58,60,62,63,64,65,68,69,70,72, %U A210441 74,75,76,78,80,81,82,84,85,86,87,90,91,92,93,94,95,96,98 %N A210441 Nonprime numbers with distinct decimal digits. %C A210441 Sequence is finite with 8594603 terms, last term is a(8594603) = 9876543210. %C A210441 Complement of A029743 with respect to A010784. %H A210441 Jaroslav Krizek, <a href="/A210441/b210441.txt">Table of n, a(n) for n = 1..1000</a> %t A210441 Select[Range[100],!PrimeQ[#]&&Max[DigitCount[#]]<2&] (* _Harvey P. Dale_, Jan 22 2023 *) %Y A210441 Cf. A010784 (numbers with distinct decimal digits), A029743 (primes with distinct decimal digits). %K A210441 nonn,base,fini %O A210441 1,2 %A A210441 _Jaroslav Krizek_, Jan 20 2013