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A093012 Numbers n such that prime(n) == 3 mod 16. 3
2, 8, 19, 23, 32, 38, 41, 47, 49, 63, 81, 91, 95, 101, 103, 117, 120, 125, 131, 138, 153, 161, 182, 188, 193, 195, 208, 225, 232, 241, 248, 256, 262, 266, 272, 280, 292, 300, 304, 314, 317, 321, 327, 334, 346, 351, 365, 370, 376, 385, 394, 409, 410, 414, 427 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

A091968 indexed by A000040.

FORMULA

A000040(a(n)) = A091968(n).

a(n) = PrimePi(A091968(n)).

MATHEMATICA

Select[Range[430], Mod[Prime[ # ], 16] == 3 &] (*Chandler*)

CROSSREFS

Cf. A091968, A092022.

Sequence in context: A183183 A072675 A033711 * A049525 A109071 A196134

Adjacent sequences:  A093009 A093010 A093011 * A093013 A093014 A093015

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Mar 15 2004, revised Nov 06 2006

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Last modified February 17 13:04 EST 2012. Contains 206022 sequences.