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 A084988 #3 Jul 20 2017 10:19:07 %S A084988 1,4,6,8,9,10,18,19,40,44,46,48,60,64,66,68,69,80,81,84,86,88,90,91, %T A084988 96,99,100,108,109,114,116,118,141,144,149,161,168,169,180,181,186, %U A084988 189,190,194,196,198 %N A084988 Numbers made with nonprime digits such that the sum of the digits is also not prime. %H A084988 Harvey P. Dale, <a href="/A084988/b084988.txt">Table of n, a(n) for n = 1..5000</a> %e A084988 E.g. 46 is not prime and 4+6 =10 is also not prime. %t A084988 Select[Rest[FromDigits/@Tuples[{0,1,4,6,8,9},3]],!PrimeQ[ Total[ IntegerDigits[ #]]]&] (* _Harvey P. Dale_, Jul 20 2017 *) %Y A084988 Cf. A084984. %K A084988 nonn,base %O A084988 1,2 %A A084988 Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 27 2003