93047domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of (1-x)/(1-x-x^2-2*x^3+2*x^4).at n=21A052546a(n) = nextprime(A090117(n)), the smallest prime following squares listed in A090117 and also the distance of a(n) from the preceding prime is 2*n.at n=22A090119Prime numbersat n=8986