7647872domain: NAppears in sequences4th binomial transform of (0,1,0,2,0,4,0,8,0,16,...).at n=10A081180Number of configurations of the 4 X 3 variant of Sam Loyd's sliding block 15-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners.at n=29A090166