Triangle T(n, k, q) = Sum_{j=0..10} q^j * floor( binomial(n+1,k)*binomial(n-1,k-1)/(2^j*(n+1)) ) for q = 3, read by rows.

A174045

Triangle T(n, k, q) = Sum_{j=0..10} q^j * floor( binomial(n+1,k)*binomial(n-1,k-1)/(2^j*(n+1)) ) for q = 3, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =6a(5) =1a(6) =1a(7) =24a(8) =24a(9) =1a(10) =1a(11) =70a(12) =230a(13) =70a(14) =1a(15) =1a(16) =90a(17) =881a(18) =881a(19) =90a(20) =1a(21) =1a(22) =231a(23) =2790a(24) =7060a(25) =2790a(26) =231a(27) =1a(28) =1a(29) =295

External references