479001517domain: NPropertiesPrimalityPrimeyesAppears in sequencesTriangle read by rows: T(n, k) is the number of n X n symmetric Toeplitz matrices of rank k using all the first n prime numbers integers.at n=77A364233a(n) is the number of n X n nonsingular symmetric Toeplitz matrices using all the first n prime numbers.at n=11A364234Prime numbersat n=25306281