-444

Appears in sequences

• Glaisher's function H'(4n+1) (18 squares version).at n=6A002610
• Magnetic susceptibility coefficients for square lattice spin 2 Ising model.at n=24A010116
• Magnetic susceptibility coefficients for square lattice spin 3 Ising model.at n=36A010117
• Magnetic susceptibility coefficients for square lattice spin 5/2 Ising model.at n=30A010119
• Expansion of (1-x)/(1+2*x+2*x^3).at n=7A078062
• Triangle T(n,k), read by rows, formed by setting all entries in the zeroth column and in the main diagonal ((n,n) entries) to 1 and defining the rest of the entries by the recursion T(n,k) = T(n-1,k) - T(n,k-1).at n=50A096470
• a(n)=det(M_n) where M_n is the n X n matrix m(i,j)=1 if sigma(i+j) is odd, 0 otherwise.at n=26A096733
• Fourth column (m=3) of triangle A128494.at n=30A128498
• Fourth column (m=3) of triangle A128494.at n=31A128498
• Triangle read by rows: coefficients of the alternating factorial polynomial (x+1)(x-2)(x+3)(x-4)...(x+n*(-1)^(n-1)).at n=22A140956
• FP2 polynomials related to the generating functions of the left hand columns of the A156920 triangle.at n=12A156925
• Expansion of 1/(-x^11 + x^10 + 2*x^7 - x^6 - x^5 - x^4 - x^2 + 2*x + 1).at n=7A157748
• Coefficients of polynomials of the characteristic polynomials of two matrix systems subtracted: M(n)=Table[Table[If[m == k == 1, n, If[m == k, (-1)^n, 0]], {m, 1, n}], {k, 1, n}];M1(n)=Table[Table[ If[m == k + 1, -1, If[k == n && m == 1, n, If[m == k == n, -n, 0]]], {m, 1, n}], {k, 1, n}].at n=42A168578
• Coefficient triangle of the associated Laguerre polynomials of order 1.at n=11A199577
• Expansion of Product_{k>=1} (1 + x^(4*k))/(1 + x^k).at n=47A261734
• Coefficient of y^0 in G(x,y)^3 where G(x,y) = Sum_{n=-oo..+oo} (1-x^n)^n * x^n * y^n.at n=29A263188
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 201", based on the 5-celled von Neumann neighborhood.at n=15A270723
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 601", based on the 5-celled von Neumann neighborhood.at n=30A272825
• G.f.: 2 - x/(1+2*x - x^3/(1+2*x^2 - x^5/(1+2*x^3 - x^7/(1+2*x^4 - x^9/(1+2*x^5 - x^11/(1 - ...)))))), a continued fraction.at n=11A275762
• Expansion of Product_{k>=1} ((1 + x^(2*k-1))/(1 + x^(2*k)))^k.at n=46A296047