Number of ways to properly color the Petersen graph using n colors.

A296913

Number of ways to properly color the Petersen graph using n colors.

Terms

    a(0) =0a(1) =0a(2) =120a(3) =12960a(4) =332880a(5) =3868080a(6) =27767880a(7) =144278400a(8) =594347040a(9) =2055598560a(10) =6202551960a(11) =16774966560a(12) =41473626480a(13) =95135323920a(14) =204803912040a(15) =417515696640a(16) =811858751040

External references