162225

Appears in sequences

• Numbers k such that k^2 is formed from two subsquares that overlap in a single digit.at n=26A048422
• Index of the first occurrence of A019565(2n-1) in sequence A103790.at n=40A103791
• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>2z.at n=31A212504
• The Wiener index of the cyclic phenylene with n hexagons (n>=3).at n=22A224456