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 A106759 #14 Sep 08 2022 08:45:18 %S A106759 199,379,397,487,577,739,757,829,883,919,937,991,1279,1297,1459,1549, %T A106759 1567,1657,1693,1747,1783,1873,2089,2179,2269,2287,2377,2467,2539, %U A106759 2557,2593,2647,2683,2719,2791,2917,2953,2971,3079,3169,3187,3259,3457,3529 %N A106759 Primes with digit sum = 19. %H A106759 Vincenzo Librandi, <a href="/A106759/b106759.txt">Table of n, a(n) for n = 1..10000</a> %p A106759 digitsum:= n -> convert(convert(n,base,10),`+`): %p A106759 select(t -> digitsum(t)=19 and isprime(t), [seq(6*n+1,n=1..10000)]); # _Robert Israel_, Jul 08 2014 %t A106759 Select[Prime[Range[500]],Total[IntegerDigits[#]]==19&] (* _Harvey P. Dale_, Mar 11 2011 *) %o A106759 (Magma) [p: p in PrimesUpTo(4000) | &+Intseq(p) eq 19]; // _Vincenzo Librandi_, Jul 08 2014 %Y A106759 Cf. similar sequences listed in A244918. %K A106759 nonn,base %O A106759 1,1 %A A106759 _Zak Seidov_, May 16 2005