A339957 Primes in A240860 (up to sign).

5, 29, 149, 461, 1637, 1877, 4373, 13037, 13757, 32309, 41381, 43853, 63533, 69821, 92333, 154157, 174917, 228869, 250949, 358637, 381917, 388757, 565661, 587693, 651293, 697973, 755861, 790613, 862061, 985613, 1127309, 1180637, 1303613, 1739981, 2147693, 2345261, 2586989, 2684837, 2876261

Offset: 1

Author

J. M. Bergot and Robert Israel, Dec 24 2020

Keywords

• nonn

Examples

			a(3) = 149 is in the sequence because it is prime and A240860(8) = -149.
		

Links

• Robert Israel, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A240860.

Programs

Maple

R:= NULL: count:= 0:
v:= 0: p:= 1:
while count < 100 do
  p:= nextprime(p);
  v:= p^2 - v;
  if isprime(v) then R:= R, v; count:= count+1 fi
od:
R;