First occurrence (*2) of n in A088627 - or - least number that yields n different primes if you factorize it in all possible ways in two factors and add these factors.

A091350

First occurrence (*2) of n in A088627 - or - least number that yields n different primes if you factorize it in all possible ways in two factors and add these factors.

Terms

    a(0) =8a(1) =2a(2) =6a(3) =90a(4) =30a(5) =390a(6) =690a(7) =420a(8) =210a(9) =4290a(10) =3990a(11) =8778a(12) =2310a(13) =3570a(14) =4830a(15) =11550a(16) =38850a(17) =84630a(18) =66990a(19) =79170a(20) =39270a(21) =30030a(22) =51870a(23) =46410a(24) =43890a(25) =111930a(26) =163020a(27) =221340a(28) =419430a(29) =131670

External references