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 edges of 5 different colors.

A098346

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 edges of 5 different colors.

Terms

    a(0) =1a(1) =5a(2) =30a(3) =25a(4) =25a(5) =205a(6) =575a(7) =950a(8) =375a(9) =125a(10) =1555a(11) =11300a(12) =34175a(13) =31625a(14) =16375a(15) =3750a(16) =625a(17) =12880a(18) =219125a(19) =1231625a(20) =2137500a(21) =1771875a(22) =771875a(23) =209375a(24) =31250a(25) =3125a(26) =115155a(27) =4339525a(28) =44620150a(29) =134380625

External references