146392domain: NAppears in sequencesNumber of binary [ n,4 ] codes of dimension <= 4 without zero columns.at n=20A034338Row sums of A285118: a(n) = Sum_{k=1..(n-1)} (C(n-1,k-1) bitwise-and C(n-1,k)), a(0) = a(1) = 0.at n=19A285115Number of anti-transitive rooted identity trees with n nodes.at n=18A324764