5105788domain: NAppears in sequencesColumn 1 of triangle A118032, where column 1 of the matrix square of A118032 forms a bisection of this sequence.at n=32A118034Column 1 of triangle A118040, which is the matrix square of triangle A118032; also equals a bisection of A118034, which is column 1 of A118032.at n=16A118042