Number of configurations of the 5 X 3 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.

A346737

Number of configurations of the 5 X 3 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) =4a(3) =9a(4) =21a(5) =42a(6) =89a(7) =164a(8) =349a(9) =644a(10) =1349a(11) =2473a(12) =5109a(13) =9110a(14) =18489a(15) =32321a(16) =64962a(17) =112445a(18) =223153a(19) =378761a(20) =740095a(21) =1231589a(22) =2364342a(23) =3847629a(24) =7246578a(25) =11506172a(26) =21233764a(27) =32854049a(28) =59293970a(29) =89146163

External references