278353domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(1) = 2; a(n) is the smallest prime > a(n-1) such that a(n) + a(n-1) is a square.at n=36A062064Number of (n+5) X 11 0..1 matrices with each 6 X 6 subblock idempotent.at n=21A224575Prime numbersat n=24306