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 A052085 #14 Oct 20 2019 03:23:31 %S A052085 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89, %T A052085 97,103,107,109,113,127,137,139,149,157,163,167,173,179,193,197,199, %U A052085 211,223,227,229,233,239,241,251,257,263,269,271,277,281,283,293,307 %N A052085 Primes whose decimal digits are grouped together. %e A052085 101 is not a term since the two digits 1 are separated by the 0. %e A052085 233 is a term since the digits 2 and 3 are grouped, and it is prime. %Y A052085 Cf. A052086, A052081, A052082, A052083, A052084. %K A052085 nonn,base %O A052085 1,1 %A A052085 _Patrick De Geest_, Jan 15 2000