666112

Appears in sequences

• Numbers n such that n is a substring of its square in base 9 (written in base 10).at n=23A018833
• Expansion of e.g.f. cosh(sqrt(2)*x) + exp(x)*(cosh(sqrt(2)*x) - 1).at n=16A088015
• Number of (n+2) X (1+2) 0..2 arrays with each 3 X 3 subblock having the sum of its 72 absolute element differences equal to 34 and no adjacent elements equal.at n=24A234927