Number of configurations of the 8 X 2 variant of the sliding block 15-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners.

A355560

Number of configurations of the 8 X 2 variant of the sliding block 15-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =6a(4) =11a(5) =20a(6) =37a(7) =68a(8) =125a(9) =227a(10) =394a(11) =672a(12) =1151a(13) =1983a(14) =3373a(15) =5703a(16) =9508a(17) =15640a(18) =25293a(19) =40732a(20) =65032a(21) =103390a(22) =162830a(23) =255543a(24) =397013a(25) =613104a(26) =938477a(27) =1431068a(28) =2162964a(29) =3255845

External references