663631domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 1, 3, 4 and 6.at n=31A136838Number of nondecreasing arrangements of n numbers x(i) in -(n+2)..(n+2) with the sum of sign(x(i))*2^|x(i)| zero.at n=11A187983Prime numbersat n=53839