186482

Appears in sequences

• Denominators of continued fraction convergents to sqrt(209).at n=9A041389
• Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)>1.at n=22A212897
• a(n) = 2*n^3 - 4*n^2 + 6*n - 2 (n>=1).at n=45A304159