469762043domain: NPropertiesPrimalityPrimeyesAppears in sequencesSmallest prime obtained as a sum of n terms of a geometric progression + the common ratio, or 0 if no such terms exists. Smallest prime of the form (a +ar +ar^2 + ar^3 +... ) + r.at n=25A088121Expansion of (1 - x + 5x^2)/((1-x)*(1-2x)).at n=27A154118Prime numbersat n=24843811