453376

Appears in sequences

• Alkane (or paraffin) numbers l(9,n).at n=26A018210
• Number of polygons with polygonal holes on the square lattice enumerated by half-perimeter.at n=10A088702
• Partial sums of cupolar numbers (1/3)*(n+1)*(5*n^2+7*n+3) (A096000).at n=31A117066
• Numbers that set records for number of divisors of n(n-1).at n=37A192488
• a(n) = 2^n*binomial(4*n, n)/(3*n+1).at n=6A217360
• Number of regions formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square.at n=23A355838