626611domain: NPropertiesPrimalityPrimeyesAppears in sequencesLeast prime of a 6-tuplet that contains both a prime quadruple and a sexy prime quadruple.at n=10A160264Number of (n+1) X (n+1) -5..5 symmetric matrices with every 2 X 2 subblock having sum zero and one or three distinct values.at n=14A211331Prime numbersat n=51093