Irregular triangle read by rows: T(n,k) = (2^floor(n/2)+k)-th numerator coefficient of the polynomial q_n used to parametrize the canonical stribolic iterates h_n (of order 1), for n=0,1,2,... and 0 <= k <= A000045(n+1) - 2^floor(n/2).

A369992

Irregular triangle read by rows: T(n,k) = (2^floor(n/2)+k)-th numerator coefficient of the polynomial q_n used to parametrize the canonical stribolic iterates h_n (of order 1), for n=0,1,2,... and 0 <= k <= A000045(n+1) - 2^floor(n/2).

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-3a(4) =2a(5) =5a(6) =-4a(7) =-35a(8) =28a(9) =70a(10) =-100a(11) =35a(12) =3575a(13) =-5720a(14) =-6292a(15) =19240a(16) =-14300a(17) =3520a(18) =-13856700a(19) =22170720a(20) =24387792a(21) =-74574240a(22) =217088300a(23) =-401631120a(24) =-382444920a(25) =2019752592a(26) =-1656568485a(27) =-1470440400a(28) =3671101720a(29) =-2832601200

External references