A244737 - OEIS

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A244737

Numbers k such that (prime(k) mod 5) is odd.

3

2, 5, 6, 9, 11, 13, 14, 16, 18, 20, 21, 23, 26, 27, 30, 32, 36, 38, 40, 42, 43, 44, 47, 48, 51, 53, 54, 56, 58, 60, 61, 62, 64, 65, 67, 71, 74, 76, 79, 82, 83, 84, 86, 89, 90, 94, 96, 98, 99, 100, 103, 105, 108, 110, 112, 115, 116, 117, 119, 121, 122, 124

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Complement of A244736.

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..1000

EXAMPLE

k prime(k) mod 5 mod 2

1 2 2 0

2 3 3 1

3 5 0 0

4 7 2 0

5 11 1 1

6 13 3 1

MATHEMATICA

z = 300; u = Mod[Table[Mod[Prime[n], 5], {n, 1, z}], 2] (* A244735 *)

Flatten[Position[u, 0]] (* A244736 *)

Flatten[Position[u, 1]] (* A244737 *)

CROSSREFS

Cf. A039703, A244735, A244736.

Sequence in context: A138970 A168550 A355431 * A285347 A187836 A046160

Adjacent sequences: A244734 A244735 A244736 * A244738 A244739 A244740

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jul 05 2014

STATUS

approved