G.f. A(x) satisfies: A(x)^-2 + A(-x)^-2 = 2 and A(x)^2 - A(-x)^2 = -8*x.
A193619
G.f. A(x) satisfies: A(x)^-2 + A(-x)^-2 = 2 and A(x)^2 - A(-x)^2 = -8*x.
Terms
- a(0) =1a(1) =-2a(2) =6a(3) =12a(4) =-122a(5) =-316a(6) =4124a(7) =11608a(8) =-169018a(9) =-495724a(10) =7676596a(11) =23075112a(12) =-371737956a(13) =-1135805144a(14) =18808209528a(15) =58139400112a(16) =-982459035322
External references
- oeis: A193619