1580460

Appears in sequences

• a(n) = n*(n+1)*(2*n+1)*(3*n+1)/6.at n=35A011195
• Number of regions after generation n of Conant's dissection of a square when dissected with both orthogonal and diagonal lines and where the starting edges rotate clockwise around the square and the dissection halves in size every second generation.at n=22A335628