Irregular triangle read by rows: row n gives numbers of maximal chains of lengths n-1, n, n+1, ... with no plus-full-sets in the Tamari lattice T_n.

A282699

Irregular triangle read by rows: row n gives numbers of maximal chains of lengths n-1, n, n+1, ... with no plus-full-sets in the Tamari lattice T_n.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =1a(4) =0a(5) =0a(6) =2a(7) =2a(8) =0a(9) =0a(10) =10a(11) =8a(12) =18a(13) =13a(14) =12a(15) =0a(16) =0a(17) =0a(18) =112a(19) =220a(20) =218a(21) =324a(22) =0a(23) =0a(24) =0a(25) =280a(26) =1464a(27) =5322a(28) =8052a(29) =0

External references