221346

Appears in sequences

• Number of nX4 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.at n=3A223307
• T(n,k)=Number of nX(k+1) 0..2 arrays with every row least squares fitting to a positive slope straight line and every column least squares fitting to a zero or positive slope straight line, with a single point array taken as having zero slope.at n=18A223309
• Numbers n such that (n + digit sum of n) and (n + digit product of n) are nontrivial permutations of the digits of n.at n=20A246421