Triangle read by rows: T(n,k) is the numerator of R(n,k) defined implicitly by the identity Sum_{i=0..l-1} Sum_{j=0..m} R(m,j)*(l-i)^j*i^j = l^(2*m+1) holding for all l,m >= 0.
A302971
Triangle read by rows: T(n,k) is the numerator of R(n,k) defined implicitly by the identity Sum_{i=0..l-1} Sum_{j=0..m} R(m,j)*(l-i)^j*i^j = l^(2*m+1) holding for all l,m >= 0.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =1a(4) =0a(5) =30a(6) =1a(7) =-14a(8) =0a(9) =140a(10) =1a(11) =-120a(12) =0a(13) =0a(14) =630a(15) =1a(16) =-1386a(17) =660a(18) =0a(19) =0a(20) =2772a(21) =1a(22) =-21840a(23) =18018a(24) =0a(25) =0a(26) =0a(27) =12012a(28) =1a(29) =-450054
External references
- oeis: A302971