1726596domain: NAppears in sequencesSmith square numbers.at n=26A098839Squares such that square-+5 are primes.at n=27A154711Number of 6 X n 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=8A208071