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 A158205 #9 Oct 02 2021 14:32:22 %S A158205 11,41,61,89,101,191,199,401,409,449,461,601,641,661,809,881,911,919, %T A158205 991,1019,1091,1109,1181,1499,1619,1811,1901,1949,4001,4049,4111,4409, %U A158205 4441,4481,4649,4801,4861,4889,4919,4999,6089,6449,6481,6661,6689,6841 %N A158205 Primes with every digit a nonprime and the sum of the digits a prime. %C A158205 Nonprime digits are 0, 1, 4, 6, 8 or 9. %H A158205 Harvey P. Dale, <a href="/A158205/b158205.txt">Table of n, a(n) for n = 1..1000</a> %e A158205 11(1+1=2), 41(4+1=5), 61(6+1=7), 89(8+9=17), 101(1+0+1=2), 191(1+9+1=11) %t A158205 Select[FromDigits/@Select[Tuples[{0,1,4,6,8,9},4],PrimeQ[Total[#]]&],PrimeQ]//Flatten (* _Harvey P. Dale_, Oct 02 2021 *) %Y A158205 Cf. A000040, A062088, A141468. %K A158205 nonn,base,easy,less %O A158205 1,1 %A A158205 _Juri-Stepan Gerasimov_, Mar 13 2009 %E A158205 Entries checked by _R. J. Mathar_, May 19 2010