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 A387524 #8 Sep 04 2025 08:41:53 %S A387524 3,7,11,19,31,47,131,317,947,4327,48091,77237,158489,237733,1973087, %T A387524 3398221,4409519 %N A387524 Primes p with property that in A386482 they are immediately preceded by 2*p and immediately followed by 3*p. %C A387524 This is in marked contrast to the EKG sequence A064413, where all primes > 2 have this property. %Y A387524 Cf. A064413, A386482, A386483, A387072, A387076, A387077, A387522, A387523. %K A387524 nonn,more,new %O A387524 1,1 %A A387524 _N. J. A. Sloane_, Sep 03 2025 %E A387524 More terms from _Michael De Vlieger_, Sep 03 2025