Highly composite 5-rough numbers: numbers that are divisible by neither 2 nor 3 whose number of divisors reaches a record.

A343734

Highly composite 5-rough numbers: numbers that are divisible by neither 2 nor 3 whose number of divisors reaches a record.

Terms

    a(0) =1a(1) =5a(2) =25a(3) =35a(4) =175a(5) =385a(6) =1225a(7) =1925a(8) =5005a(9) =13475a(10) =25025a(11) =85085a(12) =175175a(13) =425425a(14) =1616615a(15) =2977975a(16) =8083075a(17) =32757725a(18) =37182145a(19) =56581525a(20) =185910725a(21) =622396775a(22) =929553625a(23) =1301375075a(24) =4647768125a(25) =5391411025a(26) =14315125825a(27) =26957055125a(28) =37739877175a(29) =134785275625

External references