Number of pairs (not necessarily successors) of partitions of n that are incomparable in dominance (natural, majorization) ordering.

A248476

Number of pairs (not necessarily successors) of partitions of n that are incomparable in dominance (natural, majorization) ordering.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =4a(6) =8a(7) =30a(8) =70a(9) =170a(10) =340a(11) =770a(12) =1424a(13) =2810a(14) =5166a(15) =9542a(16) =16614a(17) =29596a(18) =49952a(19) =85610a(20) =141604a(21) =234622a(22) =379218a(23) =616008a(24) =976134a(25) =1549134a(26) =2418768a(27) =3771252a(28) =5795300a(29) =8903306

External references