79720

Appears in sequences

• Powers of fifth root of 7 rounded down.at n=29A018132
• Powers of fifth root of 7 rounded to nearest integer.at n=29A018133
• G.f.: Sum_{n>=0} x^n * Sum_{k=0..n} binomial(n,k)^2 * x^k/(1-2*x)^k.at n=11A217664
• Numbers m such that the sum of the digits (sod) of m, m^2, m^3, ..., m^9 are in arithmetic progression: sod(m^(k+1)) - sod(m^k) = f for k=1..8.at n=7A257969
• Number of primitive (period n) n-bead bracelet structures which are not periodic palindromes using a maximum of three different colored beads.at n=14A328657