-924

Appears in sequences

• Bisection of A002470.at n=9A002287
• Glaisher's function W(n).at n=18A002470
• a(n) = (2^n/n!)*Product_{k=0..n-1} (4*k - 1).at n=5A004984
• Expansion of (1-4*x)^(11/2).at n=3A020923
• a(n) = 10^n - n^10.at n=2A024124
• Expansion of cube of continued fraction 1/ ( 1+q/ ( 1+q^2/ ( 1+q^3/ ( 1+q^4/... )))).at n=26A055102
• Triangle of coefficients of Euler polynomials rescaled to integers by multiplication with 2^(binary carry sequence (A007814)).at n=72A058940
• Coefficient triangle for certain polynomials N(2; n,x) (rising powers of x).at n=26A062991
• Determinant of n X n matrix whose element A(i,j) is 1 if i=j, i if n=i+j and 0 otherwise.at n=7A071999
• Triangle of coefficients of characteristic polynomial of M_n, the n X n matrix M_(i,j) = min(i,j).at n=51A076756
• Triangle of coefficients, read by rows, where T(n,k) is the coefficient of x^n*y^k in f(x,y) that satisfies f(x,y) = (1+x) - x^2*(1+x)^2 + xy*f(x,y)^2.at n=41A086612
• Triangle read by rows giving coefficients of the trigonometric expansion of Cos(n*x).at n=77A096754
• Matrix inverse of triangle A101275 (number of Schröder paths).at n=22A102051
• Column 1 of triangle A102051, which is the matrix inverse of triangle A101275 (number of Schroeder paths).at n=5A102052
• T(n, k) = [x^k] (-1)^n*Sum_{k=0..n} E2(n, n-k)*(1+x)^(n-k) where E2(n, k) are the second-order Eulerian numbers. Triangle read by rows, T(n, k) for n >= 1 and 0 <= k <= n.at n=13A111999
• Number triangle read by rows, related to exp(x)/(cos(x) + sin(x)).at n=51A117442
• Triangle T, read by rows, equal to the matrix product T = H*[C^-1]*H, where H is the self-inverse triangle A118433 and C is Pascal's triangle.at n=51A118435
• Triangle of Hankel transforms of certain binomial sums.at n=26A120257
• Triangle of coefficients of (1 - x)^n*U(n,-(3*x - 2)/(2*x - 2)), where U(n,x) is the n-th Chebyshev polynomial of the second kind.at n=30A123027
• Triangle read by rows: T(0,0)=1; T(n,k) is the coefficient of x^(n-k) in the monic characteristic polynomial of the n X n matrix (min(i,j)) (i,j=1,2,...,n) (0 <= k <= n, n >= 1).at n=48A123970