a(n) = (n!)^3 + 1.A019514a(n) = (n!)^3 + 1.Terms a(0) =2a(1) =2a(2) =9a(3) =217a(4) =13825a(5) =1728001a(6) =373248001a(7) =128024064001External referencesoeis: A019514