81233domain: NPropertiesPrimalityPrimeyesAppears in sequencesDenominators of continued fraction convergents to sqrt(881).at n=13A042703Number of n-step self-avoiding walks on the square lattice with first step specified.at n=11A046661Engel expansion of zeta(8)=sum(i>0,1/i^8).at n=9A067916Primes of the form n^2+8.at n=23A138338Prime numbersat n=7951