611618

Appears in sequences

• Initial values for f(x)=phi(sigma(x)) such that iteration of f ends in a cycle of length 18.at n=29A096890
• Number of zig-zag paths from top to bottom of a rectangle of width 8 with n rows.at n=18A153340
• Expansion of 2*(1 -4*x +14*x^2 +4*x^3 +9*x^4)/(1-x)^5.at n=24A173785
• Numbers that are the sum of three biquadrates (fourth powers) in more than one way.at n=29A193244