General q-Narayana triangle sequence: T(n, k) = Product_{j=0..2} ( q_binomial(n+j, j+k, 3)/q_binomial(n+j-k, j, 3) ).

A156917

General q-Narayana triangle sequence: T(n, k) = Product_{j=0..2} ( q_binomial(n+j, j+k, 3)/q_binomial(n+j-k, j, 3) ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =40a(5) =1a(6) =1a(7) =1210a(8) =1210a(9) =1a(10) =1a(11) =33880a(12) =1024870a(13) =33880a(14) =1a(15) =1a(16) =925771a(17) =784128037a(18) =784128037a(19) =925771a(20) =1a(21) =1a(22) =25095280a(23) =580812061522a(25) =580812061522a(26) =25095280a(27) =1a(28) =1a(29) =678468820

External references