Triangle T(n, k, m) = round( Product_{j=0..m} binomial(2*(n+j), 2*(k+j))/binomial( 2*(n-k+j), 2*j) ), where m = 7, read by rows.

A156740

Triangle T(n, k, m) = round( Product_{j=0..m} binomial(2*(n+j), 2*(k+j))/binomial( 2*(n-k+j), 2*j) ), where m = 7, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =153a(5) =1a(6) =1a(7) =4845a(8) =4845a(9) =1a(10) =1a(11) =74613a(12) =2362745a(13) =74613a(14) =1a(15) =1a(16) =735471a(17) =358664691a(18) =358664691a(19) =735471a(20) =1a(21) =1a(22) =5311735a(23) =25533510145a(24) =393216056233a(25) =25533510145a(26) =5311735a(27) =1a(28) =1a(29) =30421755

External references