Numbers n such that n+/-2 and n^2+/-2 are all primes.
A189051
Numbers n such that n+/-2 and n^2+/-2 are all primes.
Terms
- a(0) =9a(1) =15a(2) =21a(3) =309a(4) =441a(5) =1611a(6) =2955a(7) =3081a(8) =3879a(9) =5529a(10) =7209a(11) =7755a(12) =7875a(13) =13761a(14) =15015a(15) =15729a(16) =16659a(17) =21561a(18) =22155a(19) =35595a(20) =37059a(21) =38199a(22) =45291a(23) =50049a(24) =51429a(25) =59619a(26) =63855a(27) =67215a(28) =67941a(29) =71331
External references
- oeis: A189051