A138971 Positions of the primes congruent to 3 mod 4 when all primes except 2 are listed in order.

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

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