8590065664

Appears in sequences

• Number of types of Boolean functions of n variables under a certain group.at n=16A028403
• Number of reversible strings with n beads of 4 colors.at n=17A032121
• Sum of coefficients of (x1)^(2i(1))*(x2)^(2i(2))*(x3)^(2i(3))*(x4)^(2i(4)) for {(i1),(i2),(i3),(i4)}=0,1,2,... : sum(i)=2n in the expansion of (x1+x2+x3+x4)^(2n) where n >= 1.at n=8A075878
• Number of closed walks of length 2*n on the 4-cube.at n=9A092812
• Expansion of g.f.: x*(4-7*x+2*x^2-8*x^4+16*x^5-16*x^6)/((1-2*x) * (1-2*x^2) * (1-2*x+2*x^2) * (1+2*x^2)).at n=32A100213
• a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) for n >= 4 starting with a(0) = 1, a(1) = 2, a(2) = 4, and a(3) = 6.at n=34A131885
• a(n) = n^9*(n^8 + 1)/2.at n=4A170790
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 598", based on the 5-celled von Neumann neighborhood.at n=33A289769
• Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(2^(k - 1)).at n=33A329800
• Numbers of the form 2^((2^n)+1)*F_n, where F_n is a Fermat prime, A019434.at n=4A330826
• Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(2^(k-1)).at n=33A344265
• Number of solutions of y^2 + y = x^3 + x where x and y are in GF(2^n).at n=32A362374
• Cogrowth sequence of the 16-element quasihedral group SD16 = <S,T | S^8, T^2, STS^5T>.at n=18A377885
• Cogrowth sequence of the 16-element dicyclic group Q16 = <S,T | S^8, T^4, (ST)^4, TST^3S>.at n=18A377944