Number of nonisomorphic proper colorings of partition multicycle graph using six colors.

Terms

a(0) =1a(1) =6a(2) =21a(3) =15a(4) =56a(5) =90a(6) =40a(7) =126a(8) =315a(9) =120a(10) =240a(11) =165a(12) =252a(13) =840a(14) =720a(15) =840a(16) =600a(17) =990a(18) =624a(19) =462a(20) =1890a(21) =2520a(22) =680a(23) =2240a(24) =3600a(25) =820a(26) =3465a(27) =2475a(28) =3744a(29) =2635