-1312

Appears in sequences

• Dirichlet inverse of sigma_4 function (A001159).at n=11A053826
• Expansion of 4th power of continued fraction 1/ ( 1+q/ ( 1+q^2/ ( 1+q^3/ ( 1+q^4/... )))).at n=21A055103
• Triangle of numbers obtained by inverting infinite matrix defined in A059369, read from right to left.at n=50A059370
• Determinant of the n X n matrix m(i,j)=C(i+j,abs(i-j)).at n=3A079660
• Triangle of coefficients of Gaussian polynomials [2n+5,4]_q represented as finite sum of terms (1+q^2)^k*q^(g-k), where k = 0,1,...,g with g=4n+2.at n=62A267484
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 326", based on the 5-celled von Neumann neighborhood.at n=47A271262
• G.f.: E(4*sqrt(x)) / K(4*sqrt(x)), where E(), K() are complete elliptic integrals.at n=4A328127
• T(j,k) are the numerators u in the representation R = s/t + (2/Pi)*u/v of the resistance between two nodes separated by the distance vector (j,k) in an infinite square lattice of one-ohm resistors, where T(j,k), j >= 0, 0 <= k <= j, is a triangle read by rows.at n=32A355566
• Expansion of g.f. (1+z+z^2-sqrt(1+2*z-z^2-6*z^3-3*z^4))/(2*z^2*(1+z)).at n=21A359140
• Expansion of g.f. A(x,y) satisfying 0 = Sum_{n=-oo..+oo} x^n * A(x,y)^n * (y - x^(n-1))^(n+1), as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y), read by rows n >= 0.at n=39A366730
• a(n) is the numerator of the imaginary part of 1/(1+i/2)^n, where i is the imaginary unit.at n=5A370192
• Determinant of the 3 X 3 Hankel matrix of consecutive primes starting at prime(n).at n=37A392522