1441780

Appears in sequences

• Number of 3 X n binary matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1) and (11;0).at n=14A099944
• Positions of zeros in A165477.at n=21A165478
• a(n) = Least i in range [A165478(n),A165478(n+1)] for which abs(A165477(i)) gets the maximum value in that range.at n=21A165479