Let p = n-th odd prime. Then a(n) = least positive integer congruent to 5 modulo 8 such that Legendre(a(n), q) = -1 for all odd primes q <= p.
A094847
Let p = n-th odd prime. Then a(n) = least positive integer congruent to 5 modulo 8 such that Legendre(a(n), q) = -1 for all odd primes q <= p.
Terms
- a(0) =5a(1) =53a(2) =173a(3) =173a(4) =293a(5) =437a(6) =9173a(7) =9173a(8) =24653a(9) =74093a(10) =74093a(11) =74093a(12) =170957a(13) =214037a(14) =214037a(15) =214037a(16) =2004917a(17) =44401013a(18) =71148173a(19) =154554077a(20) =154554077a(21) =163520117a(22) =163520117a(23) =163520117a(24) =261153653a(25) =261153653a(26) =1728061733
External references
- oeis: A094847