104949

Appears in sequences

• Number of walks on square lattice.at n=22A005565
• 144*n^2 - n.at n=26A156635
• a(n) = 729*n^2 - 27.at n=11A158655
• Number of (w,x,y,z) with all terms in {1,...,n} and w>2x and y<=3z.at n=27A212517
• Positive integers k = p_1^e_1*p_2^e_2*p_3^e_3, such that the points (p_1, e_1), (p_2, e_2) and (p_3, e_3) lie on a straight line with nonzero slope.at n=10A389340