-382444920

Appears in sequences

• (-1)^(n+1)*n*A174276(n).at n=12A174356
• 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).at n=24A369992