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A138971 Positions of the primes congruent to 3 mod 4 when all primes except 2 are listed in order. 1
1, 3, 4, 7, 8, 10, 13, 14, 16, 18, 19, 21, 22, 26, 27, 30, 31, 33, 35, 37, 38, 40, 42, 45, 46, 47, 48, 51, 53, 55, 57, 60, 62, 63, 66, 68, 71, 72, 74, 75, 80, 82, 84, 85, 89, 90, 91, 92, 93, 94, 95, 98, 100, 102, 104, 106, 108, 110, 113, 114, 116, 117, 119, 123, 124, 127 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Complement of A138970 (positions of primes congruent to 1 mod 4).

LINKS

Table of n, a(n) for n=1..66.

CROSSREFS

Cf. A138970.

Sequence in context: A189521 A285346 A244736 * A189750 A153144 A032788

Adjacent sequences:  A138968 A138969 A138970 * A138972 A138973 A138974

KEYWORD

nonn

AUTHOR

Clark Kimberling, Apr 05 2008

STATUS

approved

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Last modified December 3 00:59 EST 2021. Contains 349445 sequences. (Running on oeis4.)