Triangle read by rows: T(n,k) is the number of chains in the poset of plane partitions ordered by inclusion that end with a plane partition of n and have length k.
A389604
Triangle read by rows: T(n,k) is the number of chains in the poset of plane partitions ordered by inclusion that end with a plane partition of n and have length k.
Terms
- a(0) =1a(1) =3a(2) =3a(3) =6a(4) =15a(5) =9a(6) =13a(7) =58a(8) =78a(9) =33a(10) =24a(11) =180a(12) =423a(13) =402a(14) =135a(15) =48a(16) =543a(17) =1947a(18) =3090a(19) =2271a(20) =633a(21) =86a(22) =1468a(23) =7667a(24) =18237a(25) =22122a(26) =13377a(27) =3207a(28) =160a(29) =3900
External references
- oeis: A389604