69967

Appears in sequences

• Number of diagonal rectangles with corners on an n X n grid of points.at n=22A113751
• a(n) = 46*n^2 + 1.at n=39A158632
• Number of (n+1)X(n+1) 0..3 symmetric matrices containing all values 0..3 with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in lower triangle row major order.at n=3A210821
• Odd numbers m such that sigma(x) = m has more than 1 solution.at n=24A300869