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 A156178 #6 Mar 12 2015 11:05:33 %S A156178 8,38528,2583554048,825787662368768,806875574817679474688, %T A156178 1884680130335630169428983808,8996956010653823687821026161328128, %U A156178 78730345253083926602212304047862498459648,1165875553018316795143687738745856008854981050368,27479800301221036852377324247444630678920385132167692288 %N A156178 A bisection of A000436. %F A156178 a(n) = 2*(-144)^(2*n+1)*(zeta(-4*n-2, 1/6)-zeta(-4*n-2,2/3)), where zeta(a,z) is the generalized Riemann zeta function. %p A156178 a := n -> 2*(-144)^(2*n+1)*(Zeta(0,-4*n-2, 1/6)-Zeta(0,-4*n-2, 2/3)): %p A156178 seq(a(n), n=0..9); # _Peter Luschny_, Mar 11 2015 %K A156178 nonn %O A156178 0,1 %A A156178 _N. J. A. Sloane_, Nov 07 2009