Primes of form x^2 - phi(x) in increasing order.
A258435
Primes of form x^2 - phi(x) in increasing order.
Terms
- a(0) =3a(1) =7a(2) =43a(3) =157a(4) =1069a(5) =1201a(6) =4177a(7) =4423a(8) =5869a(9) =6163a(10) =8209a(11) =17581a(12) =19183a(13) =22651a(14) =26407a(15) =37057a(16) =48649a(17) =60793a(18) =61837a(19) =82129a(20) =89137a(21) =102829a(22) =113233a(23) =115981a(24) =121453a(25) =141793a(26) =143263a(27) =190573a(28) =208393a(29) =230929
External references
- oeis: A258435