Primes of the form 9*(p^4)-2 or 9*(p^4)+2, arising in Paley-Hadamard difference sets.
A157430
Primes of the form 9*(p^4)-2 or 9*(p^4)+2, arising in Paley-Hadamard difference sets.
Terms
- a(0) =727a(1) =5623a(2) =21611a(3) =131771a(4) =751691a(5) =8311687a(6) =16867447a(7) =25431851a(8) =71014331a(9) =109056251a(10) =350550731a(11) =3170478247a(12) =4435959611a(13) =4678970407a(14) =6353205851a(15) =9659548091a(16) =11977770247a(17) =26525659687a(18) =29365277771a(19) =39262233611a(20) =52986054967
External references
- oeis: A157430