Petersen graph (3,1) coloring a rectangular array: number of 2 X n 0..5 arrays where 0..5 label nodes of a graph with edges 0,1 0,3 3,5 3,4 1,2 1,4 4,5 2,0 2,5 and every array movement to a horizontal, diagonal or antidiagonal neighbor moves along an edge of this graph, with the array starting at 0.
A223505
Petersen graph (3,1) coloring a rectangular array: number of 2 X n 0..5 arrays where 0..5 label nodes of a graph with edges 0,1 0,3 3,5 3,4 1,2 1,4 4,5 2,0 2,5 and every array movement to a horizontal, diagonal or antidiagonal neighbor moves along an edge of this graph, with the array starting at 0.
Terms
- a(0) =6a(1) =19a(2) =115a(3) =631a(4) =3539a(5) =19759a(6) =110427a(7) =617015a(8) =3447747a(9) =19265087a(10) =107648363a(11) =601511175a(12) =3361088979a(13) =18780896143a(14) =104942791931a(15) =586393188311
External references
- oeis: A223505