101581domain: NPropertiesPrimalityPrimeyesAppears in sequencesExpansion of 1/sqrt((1-x)^2-8x^4).at n=17A098483Primes which remain prime after reflection across a vertical line through the middle of the number (numbers are written as digital clock style numerals).at n=20A178318Prime terms of A338820.at n=20A338102Prime numbersat n=9729