212498domain: NAppears in sequencesIrregular triangle read by rows: T(n,k) = number of unsigned unichromosonal genomes with n genes at 3-break distance k from a fixed genome, 0 <= k <= floor(n/2).at n=38A264614Number of excursions of length n with Motzkin-steps avoiding the consecutive steps UU, HH and DU.at n=26A329694