1158863domain: NPropertiesPrimalityPrimeyesAppears in sequencesNumerators of first difference of squares of harmonic numbers.at n=13A103932Numerator of the Harary number for the cycle graph C_n.at n=27A160046Number of (binary) max-heaps on n elements from the set {0,1} containing exactly eight 0's.at n=40A326509Prime numbersat n=89955