175952

Appears in sequences

• Number of complete quadrangles on an n X n grid (or geoplane).at n=6A175383
• Square array read by antidiagonals downwards: T(n,k) = number of ways to arrange k indistinguishable points on an n X n square grid so that no three points are collinear at any angle.at n=51A194193
• Numbers k such that 3k - 1 divides 3^k - 1.at n=36A273614
• Numbers k such that 3k - 1 divides 3^k - 1 and 3 does not divide k.at n=1A273727
• a(n) = 172*2^n - 176.at n=10A278124