Number of Eulerian cycles in the graph Cartesian product of C_n and a double edge.
A298198
Number of Eulerian cycles in the graph Cartesian product of C_n and a double edge.
Terms
- a(0) =4a(1) =40a(2) =320a(3) =2368a(4) =16832a(5) =116608a(6) =793088a(7) =5318656a(8) =35271680a(9) =231786496a(10) =1511653376a(11) =9795518464a(12) =63126683648a(13) =404881506304
External references
- oeis: A298198