a(n) is the smallest prime(n)-rough number k that has more divisors than k-1 and more divisors than k+1.

A347719

a(n) is the smallest prime(n)-rough number k that has more divisors than k-1 and more divisors than k+1.

Terms

    a(0) =4a(1) =165a(2) =2275a(3) =18473a(4) =45617a(5) =71383a(6) =257393a(7) =257393a(8) =1239907a(9) =1275797a(10) =1851847a(11) =4411843a(12) =6865337a(13) =6865337a(14) =8312467a(15) =15763207a(16) =24157963a(17) =33684317a(18) =33684317a(19) =60428597a(20) =61182103a(21) =61694813a(22) =73803517a(23) =104622971a(24) =128397967a(25) =128397967a(26) =173805187a(27) =214820797a(28) =284708981

External references