Number of integer partitions of n that have an even number of parts and cannot be partitioned into distinct pairs of distinct parts, i.e., that are not the multiset union of any set of edges.

A339559

Number of integer partitions of n that have an even number of parts and cannot be partitioned into distinct pairs of distinct parts, i.e., that are not the multiset union of any set of edges.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =4a(7) =3a(8) =7a(9) =6a(10) =14a(11) =14a(12) =23a(13) =27a(14) =41a(15) =47a(16) =70a(17) =84a(18) =114a(19) =141a(20) =190a(21) =225a(22) =303a(23) =370a(24) =475a(25) =578a(26) =738a(27) =890a(28) =1131a(29) =1368

External references