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 A078916 #20 Jan 27 2023 05:55:32 %S A078916 4,7,11,15,21,25,31,35,41,49,53,61,67,71,77,85,93,97,105,111,115,123, %T A078916 129,137,147,153,157,163,167,173,189,195,203,207,219,223,231,239,245, %U A078916 253,261,265,277,281,287,291,305,319,325,329,335,343,347,359,367,375 %N A078916 a(n) = prime(n) + 2*n. %F A078916 a(n) = A014688(n) + n. - _Zak Seidov_, Nov 10 2013 %F A078916 a(n) = A000040(n) + A005843(n). - _Elmo R. Oliveira_, Jan 21 2023 %o A078916 (Magma) [ &+[(2*n+NthPrime(n))]: n in [1..1000] ]; // _Vincenzo Librandi_, Aug 01 2010 %Y A078916 Cf. A000040, A005843, A078917, A014688. %K A078916 nonn %O A078916 1,1 %A A078916 _Reinhard Zumkeller_, Dec 13 2002