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 A234648 #12 Aug 31 2020 03:52:32 %S A234648 6,24,30,40,54,72,86,96,102,120,126,136,150,160,166,184,198,216,222, %T A234648 232,246,264,278,288,294,312,326,344,350,360,374,384,390,408,414,424, %U A234648 438,456,470,480,486,504,510,520,534,544,550,568,582,600,606,616,630 %N A234648 Even sums of 2 consecutive odious numbers (A000069). %C A234648 All the terms in this sequence are evil numbers (A001969). %H A234648 Amiram Eldar, <a href="/A234648/b234648.txt">Table of n, a(n) for n = 1..10000</a> %F A234648 a(n) = A234011(A036554(n)) = A225822(n) + (-1)^n. %t A234648 odQ[n_] := OddQ @ DigitCount[n, 2, 1]; Select[Plus @@@ Partition[Select[ Range[320], odQ], 2, 1], EvenQ] (* _Amiram Eldar_, Aug 31 2020 *) %Y A234648 Intersection of A005843 and A234011. %Y A234648 Cf. A000069, A001969, A036554, A131323, A225822. %K A234648 nonn,base %O A234648 1,1 %A A234648 _Gerasimov Sergey_, Dec 29 2013