76403domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(n) = T(n,0) + T(n,1) + ... + T(n,[ n/2 ]), T given by A026681.at n=15A026689a(1) = 2; a(n) is the smallest prime > a(n-1) such that a(n) + a(n-1) is a square.at n=29A062064a(n) is the largest prime < 3*a(n-1) for n > 1, with a(1) = 2.at n=10A126031Prime numbersat n=7517