a(n) is the smallest prime p such that each of the first n primes has three cube roots mod p.
A002225
a(n) is the smallest prime p such that each of the first n primes has three cube roots mod p.
Terms
- a(0) =31a(1) =307a(2) =643a(3) =5113a(4) =21787a(5) =39199a(6) =360007a(7) =360007a(8) =4775569a(9) =10318249a(10) =10318249a(11) =65139031a(12) =387453811a(13) =913900417a(14) =2278522747a(15) =2741702809a(16) =25147657981a(17) =118748663779a(18) =156776294593a(19) =747206701687
External references
- oeis: A002225