Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order.
A114874
Numbers representable in exactly two ways as (p-1)*p^e (where p is a prime and e >= 0) in ascending order.
Terms
- a(0) =2a(1) =4a(2) =6a(3) =16a(4) =18a(5) =42a(6) =100a(7) =156a(8) =162a(9) =256a(10) =486a(11) =1458a(12) =2028a(13) =4422a(14) =6162a(15) =14406a(16) =19182a(17) =22650a(18) =23548a(19) =26406a(20) =37056a(21) =39366a(22) =62500a(23) =65536a(24) =77658a(25) =113232a(26) =121452a(27) =143262a(28) =208392a(29) =292140
External references
- oeis: A114874