-512

Appears in sequences

• Expansion of Product (1 - x^k)^8 in powers of x.at n=21A000731
• G.f.: q * Product_{m>=1} (1-q^m)^8*(1-q^2m)^8.at n=8A002288
• Expansion of 8-dimensional cusp form.at n=8A002408
• Berstel sequence: a(n+1) = 2*a(n) - 4*a(n-1) + 4*a(n-2).at n=15A007420
• Expansion of e.g.f.: 1/2 + exp(-4*x)/2.at n=5A009117
• Expansion of sin(sin(x))*x/2.at n=4A024253
• Expansion of (eta(q) * eta(q^5))^4 in powers of q.at n=63A030210
• Expansion of q^(-3) * (eta(q) * eta(q^8))^8 in powers of q.at n=13A034433
• Triangle related to number of compositions of n into relatively prime summands.at n=54A039912
• a(n) = A048106(A001405(n)).at n=37A048244
• Triangle of coefficients of Chebyshev's U(n,2*x-1) polynomials (exponents of x in increasing order).at n=13A053124
• Triangle of coefficients of Chebyshev's U(n,2*x-1) polynomials (exponents of x in decreasing order).at n=11A053125
• Table by antidiagonals of rows of sequences where each row is binomial transform of preceding row and row 1 is (1,2,1,2,1,2,1,2,...).at n=55A061298
• Weight 5 level 11 cusp form with complex multiplication by Q(sqrt(11)) and trivial character.at n=35A065099
• Euler transform of negative integers.at n=26A073592
• 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=34A075615
• Array of coefficients in Zagier's polynomials P_(n,0)(x).at n=19A075733
• A076341(A000290(n)), imaginary part of squares mapped as defined in A076340, A076341.at n=23A076350
• Determinant of the n X n matrix M_n(i,j) = C(i+j,i) (mod 3).at n=21A076880
• Expansion of 1/(1+2*x^3).at n=27A077959