-8192
domain: Z
Appears in sequences
- Expansion of e.g.f.: 1/2 + exp(-4*x)/2.at n=7A009117
- McKay-Thompson series of class 18e for the Monster group.at n=39A058543
- Determinant of the n X n matrix whose element (i,j) equals |i-j| (mod 4).at n=8A071769
- Let P(k,X) = Product_{i=1..2*k} (X-1/cos(Pi*(2*i-1)/(4*k)) ) which is a polynomial with integer coefficients. Sequence gives array of coefficients for P(k,X).at n=62A075615
- Array of coefficients in Zagier's polynomials P_(n,0)(x).at n=34A075733
- Determinant of the n X n matrix M_n(i,j) = C(i+j,i) (mod 3).at n=27A076880
- Determinant of the n X n matrix M_n(i,j) = C(i+j,i) (mod 3).at n=24A076880
- Determinant of the n X n matrix M_n(i,j) = C(i+j,i) (mod 3).at n=36A076880
- Determinant of the n X n matrix M_n(i,j) = C(i+j,i) (mod 3).at n=30A076880
- Expansion of 1/(1+2*x^3).at n=39A077959
- Expansion of 1/(1+2*x^2).at n=26A077966
- Expansion of (1-x)/(1-2*x^3).at n=40A078029
- Expansion of (1-x)/(1+2*x^3).at n=39A078030
- Expansion of (1-x)/(1+2*x+2*x^2).at n=27A078069
- Inverse binomial transform of A084101.at n=26A084102
- Expansion of (1+2*x)/(1+2*x+2*x^2).at n=26A090132
- Expansion of (1-2*x)/(1-8*x^2).at n=9A094014
- Determinant of n X n partial Hadamard matrix with coefficient m(i,j) 1<=i,j<=n (see comment).at n=8A094384
- a(n) = 2^floor(n/2)*((-1)^floor(n/2) + (-1)^n)/2.at n=27A102561
- Expansion of g.f. (1+x)/(1+2*x+4*x^2).at n=14A104537