-464

Appears in sequences

• Expansion of sin(tan(x))/cosh(x).at n=3A009510
• Expansion of Product_{m>=1} 1/(1 + m*q^m)^8.at n=7A022700
• Expansion of g.f. Product_{n>=1} (1-x^n)*(1-x^(5*n))/(1-x^(3*n))^2.at n=34A054274
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 7.at n=31A060026
• Expansion of (1-x)^(-1)/(1-x^2+x^3).at n=27A077883
• a(n) = (n+1)*(2-n)/2.at n=31A080956
• Sum_{k=1..2*n-1} J(4*n,k)*k, where J(i,j) is the Jacobi symbol.at n=70A097542
• Triangle read by rows: numerators of Cotesian numbers C(n,k) (0 <= k <= n).at n=38A100640
• Triangle read by rows: numerators of Cotesian numbers C(n,k) (0 <= k <= n).at n=42A100640
• Numerator of Cotesian number C(n,2).at n=6A100645
• Values of y arising from representations of n >= 11 in A085514.at n=16A102775
• Riordan array (1-u, u) where u=(-1 + sqrt(1+8*x))/4.at n=32A110292
• a(n) = -a(n-2) - a(n-3).at n=29A112455
• Triangle read by rows: T(n,k) = coefficient of x^k in the polynomial p[n,x] defined by p[0,x]=1, p[1,x]=1+x and p[n,x]=(1+x)(2-x)(3-x)...(n-x) for n >= 2 (0 <= k <= n).at n=23A123361
• G.f.: Product_{k>0} (1-x^(4k-1)) / (1-x^(4k-2)).at n=49A131795
• Triangle of coefficients of Hermite-like analog of A053120 Chebyshev's T(n, x) polynomials (powers of x in increasing order): p(x,n)=2*x*p(x,n-1)-n*p(x,n-2).at n=33A136665
• A symmetrical triangle sequence: T(n, k) = q^k + q^(n-k) - q^n, with q=2.at n=49A176224
• A symmetrical triangle sequence: T(n, k) = q^k + q^(n-k) - q^n, with q=2.at n=50A176224
• Numerators of lower triangular matrix T:=log(F), with the matrix F:=A037027 (Fibonacci convolution matrix).at n=66A181347
• Partial sums of A009940.at n=7A186810