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 A158293 #19 Jan 21 2025 09:05:04 %S A158293 19,37,73,109,127,163,181,271,307,389,433,479,523,541,569,587,613,631, %T A158293 659,677,811,839,857,929,947,983,1009,1063,1117,1153,1171,1289,1423, %U A158293 1487,1531,1559,1621,1667,1801,1847,1973,2017,2053,2099,2143,2161,2251 %N A158293 Primes whose digit sum is a multiple of 10. %H A158293 Chris Caldwell, <a href="https://t5k.org/lists/small/1000.txt">The First 1,000 Primes</a> %e A158293 The digit sum of 1009 is a multiple of ten. %t A158293 Select[Prime[Range[335]], GCD[(Plus@@IntegerDigits[#]), 10] >= 10 &] (* _Alonso del Arte_, Jan 31 2011 *) %t A158293 Select[Prime[Range[400]],Divisible[Total[IntegerDigits[#]],10]&] (* _Harvey P. Dale_, Aug 19 2012 *) %o A158293 (Magma) [ p: p in PrimesUpTo(2500) | &+Intseq(p) mod 10 eq 0 ]; %Y A158293 Cf. A007605. %K A158293 base,nonn,easy %O A158293 1,1 %A A158293 _Parthasarathy Nambi_, Mar 15 2009