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 A055783 #13 Apr 24 2024 06:39:46 %S A055783 37,137,197,317,617,677,797,977,1097,1277,1637,1997,2237,2297,2417, %T A055783 2777,2837,3137,3677,3797,4217,4337,4397,4637,4877,5237,5417,5477, %U A055783 5717,6197,6317,6737,6917,7517,7577,7877,8117,8237,8297,8537,8597,8837,9377 %N A055783 Primes q of form q=10p+7, where p is also prime. %e A055783 5417=541*10+7, 7 is concatenated to end of 541. %t A055783 Select[(10#+7)&/@Prime[Range[200]],PrimeQ] (* _Harvey P. Dale_, Nov 20 2010 *) %Y A055783 Cf. A005384, A005385. Subsequence of A030432. %K A055783 nonn %O A055783 1,1 %A A055783 _Labos Elemer_, Jul 13 2000