50692096

Appears in sequences

• Coefficients of Chebyshev T polynomials: a(n) = A053120(n+12, n), n >= 0.at n=12A006976
• Theta series of D*_14 lattice.at n=27A022067
• a(n) = (2/3) * 4^n * binomial(3*n, n).at n=5A036909
• Permanent of the character table of the elementary abelian group (C_2)^n.at n=3A085806
• Maximum permanent of a Hadamard matrix of order 4n.at n=4A096204