445376

Appears in sequences

• Powers of sqrt(18) rounded up.at n=9A017960
• Powers of fourth root of 18 rounded up.at n=18A018098
• Constant term of the reduction by x^2 -> x+2 of the polynomial p(n,x) defined below in Comments.at n=16A192423
• a(n) = ceiling(sqrt((2*n)^n)).at n=9A316661