Matrix inverse of triangle A098568, where A098568(n, k) = C( (k+1)*(k+2)/2 + n-k-1, n-k) for n>=k>=0.

A121434

Matrix inverse of triangle A098568, where A098568(n, k) = C( (k+1)*(k+2)/2 + n-k-1, n-k) for n>=k>=0.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-1a(5) =1a(6) =0a(7) =2a(8) =-3a(9) =1a(10) =0a(11) =-7a(12) =12a(13) =-6a(14) =1a(15) =0a(16) =37a(17) =-67a(18) =39a(19) =-10a(20) =1a(21) =0a(22) =-268a(23) =498a(24) =-311a(25) =95a(26) =-15a(27) =1a(28) =0a(29) =2496

External references