592968domain: NAppears in sequencesNumbers k such that 149*2^k-1 is prime.at n=12A050616Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.at n=5A207927Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 1 1 vertically.at n=6A207932