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 A123241 #8 Nov 17 2024 14:19:06 %S A123241 2,3,4,5,6,7,8,9,11,11,12,13,14,14,15,16,16,17,17,18,19,21,21,22,23, %T A123241 24,25,25,26,26,29,29,29,30,30,32,33,33,33,34,34,36,36,36,37,37,38,39, %U A123241 39,39,41,41,41,42,42,43,44,44,44,45,45,46,46,46,46,47,47,48,48,49,49,49 %N A123241 Number of squares < lesser of twin primes. %F A123241 a(n)=A003059(A001359(n)). - _R. J. Mathar_, Jun 18 2008 %t A123241 ltp=Select[Prime[Range[PrimePi[2500]]],PrimeQ[#+2]&];Ceiling[Sqrt[ltp]] (* _James C. McMahon_, Nov 17 2024 *) %Y A123241 Cf. A104103 number of squares < prime(n). %K A123241 easy,nonn %O A123241 1,1 %A A123241 _Giovanni Teofilatto_, Oct 07 2006 %E A123241 More terms from _R. J. Mathar_, Jun 18 2008