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 A289394 #14 Jul 06 2017 09:21:54 %S A289394 6,87,1606,32325,694662,15528631,357084294,8381837481,199870549318, %T A289394 4825613579415,117685008900294,2893968761750149,71662670867210118, %U A289394 1785128827454666007,44695890712594405318,1124087528135149982673,28381310631267855206406 %N A289394 a(n) = A288968(n)/4. %H A289394 Seiichi Manyama, <a href="/A289394/b289394.txt">Table of n, a(n) for n = 1..702</a> %F A289394 a(n) = 1/2 + (1/(48*n)) * Sum_{d|n} A008683(n/d) * A288877(d). %Y A289394 Cf. A006352 (E_2), A288968, A289392 (E_2^(1/4)). %Y A289394 Cf. A289395, A289396. %K A289394 nonn %O A289394 1,1 %A A289394 _Seiichi Manyama_, Jul 05 2017