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 A276732 #9 Sep 17 2016 01:21:05 %S A276732 19,29,109,229,409,709,829,1009,1069,1129,1489,1669,1789,2269,2389, %T A276732 2689,3109,3169,3469,3529,3889,4789,4909,5209,5569,5689,5869,6469, %U A276732 6529,6829,8089,8209,8269,8389,8629,9109,9769,9829,10909,12289,12589,12829,12889,13009,13669,13729,14389 %N A276732 Primes p such that (p + 1)/10 is also prime. %H A276732 Zak Seidov, <a href="/A276732/b276732.txt">Table of n, a(n) for n = 1..9259</a> %F A276732 a(n) = 10*A158017(n)-1. %t A276732 Select[Prime@ Range@ 1800, PrimeQ[(# + 1)/10] &] (* _Michael De Vlieger_, Sep 16 2016 *) %Y A276732 Cf. A137516, A158017. %K A276732 nonn %O A276732 1,1 %A A276732 _Zak Seidov_, Sep 16 2016