134217712domain: NAppears in sequencesa(n) = 16*(2^n - 1).at n=23A175164Number of 0..7 arrays of length n avoiding the consecutive pattern 0..7.at n=8A206454Number of 0..n arrays of length n+2 avoiding the consecutive pattern 0..n.at n=6A206456a(n) is the unique k such that A357961(k) = 2^n.at n=27A357993