327338domain: NAppears in sequencesNumber of distinct solutions of sum{i=1..10}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1.at n=5A180781Decimal representation of the middle column of the "Rule 107" elementary cellular automaton starting with a single ON (black) cell.at n=18A267157