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 A256419 #9 Mar 30 2017 22:07:05 %S A256419 1,4,6,4,4,8,6,10,12,10,14,10,14,18,14,16,24,20,22,25,22,30,22,26,27, %T A256419 26,36,26,28,42,32,34,38,34,38,34,38,45,48,35,40,49,44,56,46,50,46,52, %U A256419 46,54,60,58,55,58,65,58,70,63,62,66,62,64,62,68,72,74,75,74,78,74,76,81 %N A256419 A121217 smoothed by replacing, for each prime p, the terms equal to either p or 3p with 2p. %C A256419 a(n) = A256415(A121217(n)). - _Reinhard Zumkeller_, Apr 06 2015 %H A256419 N. J. A. Sloane, <a href="/A256419/b256419.txt">Table of n, a(n) for n = 1..20632</a> %o A256419 (Haskell) %o A256419 a256419 = a256415 . a121217 -- _Reinhard Zumkeller_, Apr 06 2015 %Y A256419 Cf. A121217, A256414. %Y A256419 Cf. A256415. %K A256419 nonn %O A256419 1,2 %A A256419 _N. J. A. Sloane_, Apr 06 2015