590268

Appears in sequences

• Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in cycle of length=15.at n=27A096889
• G.f. satisfies: A(x) = Sum_{n>=0} (1 - (1 - x*A(x))^n)^n.at n=7A187827
• Number of nondecreasing arrangements of 8 numbers x(i) in -(n+6)..(n+6) with the sum of sign(x(i))*x(i)^2 zero.at n=16A188008
• Number of nX3 0..1 arrays with each 1 adjacent to 3, 4 or 6 king-move neighboring 1s.at n=12A297015