1684801domain: NPropertiesPrimalityPrimeyesAppears in sequencesMain diagonal of number array A082105.at n=36A082106Main diagonal of triangle A100229.at n=12A100230Expansion of x*(3+x-x^3)/((1-3*x-x^2)*(1-x)*(1+x)).at n=12A212962Prime numbersat n=127069