70400

Appears in sequences

• Negated coefficients of Chebyshev T polynomials: [x^n](-T(n+6, x)), n >= 0.at n=9A001794
• Expansion of (1-x)/(1-2x-4x^2+4x^3).at n=11A052904
• Values of z in positive integer solutions of x^2 + y^5 = z^3, listed in increasing order of z.at n=36A070067
• Nearest integer to 1/sum(k>n,1/k^5).at n=11A083560
• Triangle of coefficients of a certain sequence of polynomials f_n(x) arising in connection with deformations of coordinate rings of type D Kleinian singularities.at n=32A097418
• Member r=11 of the family of Chebyshev sequences S_r(n) defined in A092184.at n=6A098296
• Coefficient table for Chebyshev's U(2*n,x) polynomials in decreasing powers of (1-x^2).at n=31A127675
• Triangular array read by rows, from polynomial recursion for every other term of Chebyshev orthogonal polynomials of the second kind: U(x,n)=Sin((n+1)*ArcSin(x))/Sin(ArcSin(x)) As q(x,n)=-2*(-1+2*x^2)*q(x,n-1)-q(x,n-1).at n=57A137335
• Triangle T(n,k) = (1-k*(k-1))*A053120(n,k), read by rows, 0<=k<=n.at n=63A137448
• Number of -5..5 arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences.at n=2A200201
• T(n,k)=Number of -k..k arrays x(0..n+2) of n+3 elements with zero sum and nonzero second and third differences.at n=23A200204
• Number of -n..n arrays x(0..5) of 6 elements with zero sum and nonzero second and third differences.at n=4A200207
• Number of n X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=10A281463
• Numbers k such that k, k^2-1 and k^2+1 are all fine, where a number m is fine if its prime factors are all less than m^(1/3).at n=17A345896
• a(n) = permanent of the n X n circulant matrix with (row 1) = (F(0), F(1), ..., F(n-1)), where F = A000045 (Fibonacci numbers).at n=6A384079
• a(n) = 2^(n-7)*(n^4 - 6*n^3 + 59*n^2 - 54*n)/3.at n=11A384506