Irregular triangle read by rows: T(n,k) is the number of permutations of an n X n Rubik's Square reachable in k or fewer moves, terminating at the maximum value.

A335136

Irregular triangle read by rows: T(n,k) is the number of permutations of an n X n Rubik's Square reachable in k or fewer moves, terminating at the maximum value.

Terms

    a(0) =1a(1) =2a(2) =1a(3) =5a(4) =6a(5) =1a(6) =7a(7) =30a(8) =71a(9) =119a(10) =160a(11) =184a(12) =192a(13) =1a(14) =9a(15) =53a(16) =221a(17) =592a(18) =1072a(19) =1296a(20) =1a(21) =11a(22) =80a(23) =488a(24) =2550a(25) =10511a(26) =35601a(27) =99142a(28) =218400a(29) =382480

External references