a(n) is the largest minimal prime P such that, for any odd number b, the product P*b is a nonzero square modulo 8 and modulo each of the first n primes.
A322269
a(n) is the largest minimal prime P such that, for any odd number b, the product P*b is a nonzero square modulo 8 and modulo each of the first n primes.
Terms
- a(0) =7a(1) =23a(2) =83a(3) =311a(4) =1873a(5) =3583a(6) =12289a(7) =33049a(8) =67369a(9) =174241a(10) =552841a(11) =1010881a(12) =3267289a(13) =7921489a(14) =12537719a(15) =30706079a(16) =56988649a(17) =108345169a(18) =328583161a(19) =880051561a(20) =1644946249
External references
- oeis: A322269