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A238399
a(n) is the number of primes occurring between A053182(n) and A053183(n) (excluding the endpoints).
2
2, 3, 7, 55, 255, 478, 663, 984, 1237, 1955, 3021, 3214, 8312, 13519, 38267, 40805, 45400, 47444, 48835, 55269, 56758, 59032, 66067, 92141, 93063, 103620, 106611, 108602, 112713, 140874, 151335, 163314, 178215, 183330, 211350, 235410, 244165, 265160, 275971
OFFSET
1,1
LINKS
MATHEMATICA
(PrimePi[#^2 + #] - PrimePi[#]) & /@ Select[Prime@Range@500, PrimeQ[#^2 + # + 1] &] (* Giovanni Resta, Feb 27 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Torlach Rush, Feb 26 2014
EXTENSIONS
a(33)-a(39) from Giovanni Resta, Feb 27 2014
STATUS
approved