-4368

Appears in sequences

• Expansion of log(1 + sinh(x)/exp(x)).at n=6A009362
• Expansion of e.g.f.: sech(arcsinh(x)*log(x+1))=1-12/4!*x^4+60/5!*x^5-210/6!*x^6...at n=8A012583
• Triangle of coefficients of Chebyshev's S(n,x-2) = U(n,x/2-1) polynomials (exponents of x in increasing order).at n=60A053122
• Triangle of coefficients of shifted Chebyshev's S(n,x-2) = U(n,x/2-1) polynomials (exponents of x in decreasing order).at n=60A053123
• Coefficient triangle for certain polynomials N(2; n,x) (rising powers of x).at n=24A062991
• Expansion of 1/(1+x^2+x^3).at n=55A077962
• Expansion of (1-x)/(1 + x^2 - x^3).at n=53A078031
• Expansion of x*(1-x)/(1-x+2*x^3-x^4).at n=39A104554
• G.f.: Product_{k>0} (1-x^(2k-1))/(1-x^(2k)).at n=39A106507
• Riordan array (1/(1+x)^3, x/(1+x)^3).at n=39A127895
• Triangle read by rows: alternating binomial coefficients with signs.at n=30A156290
• A050165*A130595 as infinite lower triangular matrices.at n=32A157491
• A characteristic polynomial triangle of a Hadamard matrix self-similar lower triangular system: H(2^(n-1)) -> H(2^n).at n=45A158800
• A characteristic polynomial triangle of a Hadamard matrix self-similar lower triangular system: H(2^(n-1)) -> H(2^n).at n=57A158800
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max(3i-j, 3j-i), as in A204156.at n=41A204157
• Triangle of coefficients of polynomials providing the second term of the numerator for the generating function for odd powers (2*m+1) of Chebyshev S-polynomials. The present polynomials are called P(m;1,x^2).at n=50A217478
• Expansion of r(q)^4 / r(q^4) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=35A285629
• Expansion of Sum_{k>0} x^(2*k)/(1+x^k)^6.at n=12A363614