Consider the family of multigraphs enriched by the species of partitions. Sequence gives the triangle read by rows giving coefficients of polynomials arising from enumeration of those multigraphs on n arcs of 7 different colors.

A098362

Consider the family of multigraphs enriched by the species of partitions. Sequence gives the triangle read by rows giving coefficients of polynomials arising from enumeration of those multigraphs on n arcs of 7 different colors.

Terms

    a(0) =1a(1) =7a(2) =105a(3) =196a(4) =49a(5) =1673a(6) =11564a(7) =13181a(8) =4116a(9) =343a(10) =28133a(11) =566636a(12) =1643999a(13) =1407672a(14) =453446a(15) =57624a(16) =2401a(17) =496769a(18) =26784380a(19) =168588665a(20) =298710468a(21) =207080419a(22) =65115120a(23) =9772070a(24) =672280a(25) =16807

External references