Number of partitions of 2n that describe the degree sequence of exactly one labeled multigraph with no loops.
A328863
Number of partitions of 2n that describe the degree sequence of exactly one labeled multigraph with no loops.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =6a(4) =9a(5) =14a(6) =19a(7) =27a(8) =37a(9) =50a(10) =66a(11) =89a(12) =115a(13) =151a(14) =195a(15) =252a(16) =321a(17) =412a(18) =520a(19) =660a(20) =829a(21) =1042a(22) =1299a(23) =1623a(24) =2010a(25) =2492a(26) =3071a(27) =3783a(28) =4635a(29) =5679
External references
- oeis: A328863