Triangle read by rows: T(n,k) is the number of n-sided cycles with the property that one makes k turns to the right while following its edges.

A365094

Triangle read by rows: T(n,k) is the number of n-sided cycles with the property that one makes k turns to the right while following its edges.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =0a(6) =4a(7) =0a(8) =1a(9) =2a(10) =5a(11) =5a(12) =5a(13) =5a(14) =2a(15) =9a(16) =12a(17) =21a(18) =36a(19) =21a(20) =12a(21) =9a(22) =31a(23) =49a(24) =147a(25) =133a(26) =133a(27) =147a(28) =49a(29) =31

External references