-558

Appears in sequences

• exp(arcsinh(x)+sinh(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+42/5!*x^5...at n=9A013116
• G.f. A(x) has the property that the first (n+1) terms of A(x)^(n+1) form the n-th row polynomial R_n(y) of triangle A097190 and satisfy R_n(1/3) = 9^n for all n>=0.at n=4A097191
• Sequence is {a(3,n)}, where a(m,n) is defined at sequence A110665.at n=34A110668
• 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=29A138090
• Real part of upper left and lower right terms of [1,(1+I); 1,1]^n * [1,0].at n=9A138766
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203955.at n=28A203956
• Coefficient array for the third power of the monic integer Chebyshev polynomials 2*T(2*n,x/2) as a function of x^2.at n=14A219236
• Coefficient array for the cube of Chebyshev's C polynomials.at n=55A220667
• Nearest integer to n^2*sin(n).at n=29A274087
• Irregular triangle read by rows T(n,m), coefficients in power/Fourier series expansion of an arbitrary anharmonic oscillator's exact phase space angular velocity.at n=37A276814
• Series reversion of x + x^2 - x^5 - x^6 - x^7.at n=8A278077
• Expansion of r(q) * s(q) in powers of q where r(), s() are cubic AGM functions.at n=50A281722
• The bottom entry in the forward difference table of the Euler totient function phi for 1..n.at n=9A331573
• Dirichlet inverse of A250469.at n=59A346479
• Expansion of 1/(Sum_{k>=0} x^(k^3))^2.at n=34A363776