Number of colorings of labeled graphs on n nodes using exactly 4 colors, divided by 4!*2^6.
A006202
Number of colorings of labeled graphs on n nodes using exactly 4 colors, divided by 4!*2^6.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =80a(5) =7040a(6) =878080a(7) =169967616a(8) =53247344640
External references
- oeis: A006202