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 A262193 #20 Mar 22 2017 10:35:20 %S A262193 45678910111213,20212223242526272829,68697071727374757677, %T A262193 88899091929394959697,122123124125126127128129130131, %U A262193 140141142143144145146147148149,188189190191192193194195196197,200201202203204205206207208209,212213214215216217218219220221 %N A262193 Primes that are a concatenation of ten consecutive numbers. %e A262193 4_5_6_7_8_9_10_11_12_13 is a prime number. %t A262193 Select[FromDigits[Flatten[IntegerDigits[#]]]&/@Partition[Range[300], 10, 1], PrimeQ] (* _Vincenzo Librandi_, Sep 15 2015 *) %o A262193 (PARI) for(n=1, 1e3, if(isprime(k=eval(Str(n, n+1, n+2, n+3, n+4, n+5, n+6, n+7, n+8, n+9))), print1(k", "))) %Y A262193 Cf. A052077, A084551. %K A262193 nonn,base %O A262193 1,1 %A A262193 _Altug Alkan_, Sep 14 2015