112750

Appears in sequences

• Number of 2nX8 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=4A198281
• Number of 2n X 10 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=3A198282
• T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=31A198285
• T(n,k)=Number of 2nX2k 0..2 arrays with values 0..2 introduced in row major order and each element equal to exactly two horizontal and vertical neighbors.at n=32A198285
• Number of trees with positive integer edge labels summing to n.at n=13A304914
• Even numbers k such that the sum of divisors of k in Gaussian integers is a real number.at n=5A332532
• Number of regions in a polygon whose boundary consists of n+2 equally spaced points around the arc of a semicircle. See Comments for precise definition.at n=39A333643