624961domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes of the form 648*k^2 + 72*k + 1.at n=10A154510a(n) = 648*n^2 + 72*n + 1.at n=30A154515a(n) = 10368*n^2 - 4896*n + 577.at n=7A157267Prime numbersat n=50982