50032domain: NAppears in sequencesa(n) = ceiling(A173510(n)/2).at n=44A173513Number of (n+5) X 10 0..1 matrices with each 6 X 6 subblock idempotent.at n=14A224574Number of subsets of {1,2,...,n} such that no two elements differ by 3 or 4.at n=25A351873