Number of cyclic arrangements of S={1,2,...,2n} such that the binary expansions of any two neighbors differ by one bit.

A242530

Number of cyclic arrangements of S={1,2,...,2n} such that the binary expansions of any two neighbors differ by one bit.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =2a(5) =8a(6) =0a(7) =0a(8) =224a(9) =754a(10) =0a(11) =26256a(12) =0a(13) =0a(14) =22472304a(15) =0a(16) =90654576a(17) =277251016a(18) =0a(19) =7852128780a(20) =0a(21) =0

External references