Number of circular permutations of the integers from 0 to n which generate a complete stepping-on sequence, when the stepping-on direction depends on the odd/even parity of the current value.
A322253
Number of circular permutations of the integers from 0 to n which generate a complete stepping-on sequence, when the stepping-on direction depends on the odd/even parity of the current value.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =4a(5) =48a(6) =24a(7) =32a(8) =288a(9) =3072a(10) =3856a(11) =38272a(12) =89328a(13) =1294080
External references
- oeis: A322253