176317domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that the differences between the 5 consecutive primes starting with p are (4,6,2,4).at n=13A078954Number of zero-sum nX1 -1..1 arrays with every element equal to at least one horizontal or vertical neighbor.at n=21A201840Prime numbersat n=16020