Number of positions that are exactly n moves from the starting position in the Rashkey Type 2 puzzle.

A079864

Number of positions that are exactly n moves from the starting position in the Rashkey Type 2 puzzle.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =12a(4) =29a(5) =67a(6) =160a(7) =385a(8) =920a(9) =2191a(10) =5191a(11) =12228a(12) =28401a(13) =64826a(14) =143540a(15) =303171a(16) =588027a(17) =980723a(18) =1256693a(19) =1049406a(20) =449402a(21) =72968a(22) =2888a(23) =14

External references