Triangle defined by T(n,k) = Sum_{j>=0} C(j+k, k) * C((j+k)*k, n-k) / 2^(j+k+1), for n>=0, k = 0..n, as read by rows.

A300280

Triangle defined by T(n,k) = Sum_{j>=0} C(j+k, k) * C((j+k)*k, n-k) / 2^(j+k+1), for n>=0, k = 0..n, as read by rows.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =3a(5) =1a(6) =0a(7) =5a(8) =10a(9) =1a(10) =0a(11) =7a(12) =57a(13) =21a(14) =1a(15) =0a(16) =9a(17) =252a(18) =246a(19) =36a(20) =1a(21) =0a(22) =11a(23) =969a(24) =2158a(25) =710a(26) =55a(27) =1a(28) =0a(29) =13

External references