530181domain: NAppears in sequencesNumbers n such that 145*2^n-1 is prime.at n=16A050598a(n) is the number of 6-tuples (a_1,a_2,a_3,a_4,a_5,a_6) having all terms in {1,...,n} such that there exists a hexagon with these side-lengths.at n=9A346638