A238400 Primes in A238399.

2, 3, 7, 1237, 66067, 525593, 974167, 1412473, 2675759, 4471237, 5264333, 8107961, 8308271, 12615151, 20145407, 34926433, 43167569, 94772749, 104612297, 115103327, 144450221, 153124973, 165108557, 196634723, 211696049, 213507241, 255963131, 263979101

Offset

1,1

Links

Giovanni Resta, Table of n, a(n) for n = 1..100

Mathematica

Select[(PrimePi[#^2 + #] - PrimePi[#]) & /@ Select[Prime@Range[3000], PrimeQ[#^2 + # + 1] &], PrimeQ] (* Giovanni Resta, Feb 27 2014 *)

Crossrefs

Cf. A238399, A053182, A053183.

Sequence in context: A046284 A077524 A069503 * A266276 A088252 A334021

Adjacent sequences: A238397 A238398 A238399 * A238401 A238402 A238403

Keyword

nonn

Author

Torlach Rush, Feb 26 2014

Extensions

Corrected by Torlach Rush, Feb 26 2014

a(16)-a(28) from Giovanni Resta, Feb 27 2014

Status

approved