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.
A098315
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.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =1a(5) =5a(6) =7a(7) =10a(8) =3a(9) =1a(10) =15a(11) =44a(12) =95a(13) =65a(14) =31a(15) =6a(16) =1a(17) =52a(18) =285a(19) =945a(20) =1132a(21) =791a(22) =295a(23) =75a(24) =10a(25) =1a(26) =203a(27) =1957a(28) =9922a(29) =18845
External references
- oeis: A098315