-3840

Appears in sequences

• a(n) = (17 - 2*n)*n^2.at n=16A015234
• a(n) = 2^n-n^4.at n=8A024014
• a(n) = 4^n - n^6.at n=4A024042
• Signed double Pochhammer triangle: expansion of x(x-2)(x-4)..(x-2n+2).at n=15A039683
• A076341(A000290(n)), imaginary part of squares mapped as defined in A076340, A076341.at n=35A076350
• Inverse binary transform of A027656.at n=11A081037
• Coordination sequence for Penrose tiling is a(n) + tau*A103906(n), where tau is A001622.at n=8A103907
• Expansion of theta_4(q)^2*theta_4(q^2)^4 in powers of q.at n=33A120030
• a(0) = 0; a(1) = 1; if n is odd then a(n) = 2*a(n-1) - (n-1)*a(n-2) otherwise a(n) = 2*(a(n-1) - (n-2)*a(n-2)).at n=10A122598
• a(0) = 0; a(1) = 1; if n is odd then a(n) = 2*a(n-1) - (n-1)*a(n-2) otherwise a(n) = 2*(a(n-1) - (n-2)*a(n-2)).at n=11A122598
• Matrix log of triangle A111636, where A111636(n,k) = (2^k)^(n-k)*C(n,k) for n>=k>=0.at n=25A134530
• Integral form of A137286: Triangle of coefficients of Integral form of recursive orthogonal Hermite polynomials given in Hochstadt's book: n*IP(x, n) = x*P(x, n ) - n*P'(x, n - 2); derived to a constant from the differential recursion: P''(x,n)=x*P'(x,n)-n*P(x,n).at n=67A136262
• Triangle read by rows of coefficients of Chebyshev-like polynomials P_{n,3}(x) with 0 omitted (exponents in increasing order).at n=48A136389
• Triangle of coefficients of even modified recursive orthogonal Hermite polynomials given in Hochstadt's book:P(x, n) = x*P(x, n - 1) - n*P(x, n - 2) ;A137286; P2(x,n)=P(x,n)+P(x,2*n): second type.at n=25A136587
• 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=55A136665
• Triangle of coefficients of a version of the Hermite polynomials defined by P(x, n) = x*P(x, n - 1) - n*P(x, n - 2).at n=55A137286
• A triangular sequence from coefficients of an expansion of the Poisson's kernel: p(t,r)=(1-r^2)/(1-2*r*Cos(t)+r^2): r->t;Cos(t)->x.at n=20A137511
• A triangular sequence from an expansion of coefficients of the function: p(x,t)=Exp(x*g*(t))*(1-f(t)^2);f(t)=4/(t^4-1);g(t)=t. (based on the Weierstrass functions of Scherk's minimal surface).at n=23A137520
• A triangular sequence of three back recursive polynomial that are Hermite H(x,n) like and alternating orthogonal on domain {-Infinity,Infinity} and weight function Exp[ -x^2/2]: P(x, n) = 2*x*P(x, n - 1) - n*P(x, n - 2) + 4*x^3*P(x, n - 3).at n=55A138090
• Expansion of (eta(q^2)^9 / (eta(q)^2 * eta(q^4)^4))^2 in powers of q.at n=31A138504