Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k short peak, with k >= 0.

A372879

Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k short peak, with k >= 0.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =1a(4) =9a(5) =5a(6) =22a(7) =18a(8) =1a(9) =56a(10) =58a(11) =8a(12) =145a(13) =178a(14) =41a(15) =1a(16) =378a(17) =532a(18) =173a(19) =11a(20) =988a(21) =1563a(22) =656a(23) =73a(24) =1a(25) =2585a(26) =4535a(27) =2327a(28) =381a(29) =14

External references