56384

Appears in sequences

• A triangular sequence of coefficients made from a product sum of the Pascal/binomial and the Chebyshev T Polynomials: t(n,m)=-Sum[Binomial[n + 1, k + 1]*CoefficientList[ChebyshevT[k + 1, x], x][[m]], {k, m, n}].at n=61A142701
• Bogotá numbers k such that k + 1 is also Bogotá number.at n=5A336864
• The n-th arithmetic derivative of 2^7.at n=5A369638