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

1,1

Links

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

Example

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

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;

Crossrefs

Cf. A240860.

Sequence in context: A273078 A060963 A107002 * A027864 A272839 A272921

Adjacent sequences: A339954 A339955 A339956 * A339958 A339959 A339960

Keyword

nonn

Author

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

Status

approved