181113240

Appears in sequences

• Denominators of continued fraction convergents to sqrt(18).at n=11A041027
• y-values in the solution to x^2 - 18*y^2 = 1.at n=6A202299
• Binomial transform of A135318.at n=22A373245
• a(n) = 4*a(n-1) -5*a(n-2) +2*a(n-3) +2*a(n-4) for a(0) = a(1) = 0, a(2) = 1, a(3) = 4 for n >= 4.at n=23A373358