Number of 2-color vertex orderings of the labeled path graph on n vertices in which the number 1 is assigned to a vertex in an odd position.
A360514
Number of 2-color vertex orderings of the labeled path graph on n vertices in which the number 1 is assigned to a vertex in an odd position.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =9a(4) =56a(5) =185a(6) =1632a(7) =7217a(8) =81664a(9) =451089a(10) =6241280a(11) =41375609a(12) =676506624a(13) =5232134921a(14) =98709925888a(15) =872492313825
External references
- oeis: A360514