327840

Appears in sequences

• Number of discordant permutations.at n=5A000565
• Denominators of continued fraction convergents to sqrt(656).at n=19A042261
• Number of squares (of another matrix) in the group GL(2,Z_n) described in sequence A000252.at n=29A068516
• Number of nX4 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=4A223152
• Number of n X 5 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=3A223153
• T(n,k)=Number of nXk 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=31A223154
• T(n,k)=Number of nXk 0..1 arrays with no adjacent rows or columns having the same least squares slope fit to a straight line, with a single point array taken as having zero slope.at n=32A223154