A205678 The number j such that 4 divides prime(k)-prime(j), where k(n)=A205677(n).

2, 2, 4, 3, 3, 6, 2, 4, 5, 2, 4, 5, 8, 3, 6, 7, 2, 4, 5, 8, 9, 3, 6, 7, 10, 3, 6, 7, 10, 12, 2, 4, 5, 8, 9, 11, 2, 4, 5, 8, 9, 11, 14, 3, 6, 7, 10, 12, 13, 2, 4, 5, 8, 9, 11, 14, 15, 3, 6, 7, 10, 12, 13, 16, 2, 4, 5, 8, 9, 11, 14, 15, 17, 2, 4, 5, 8, 9, 11, 14

Offset

1,1

Comments

For a guide to related sequences, see A205558.

Links

Table of n, a(n) for n=1..80.

Example

(See the example at A205677.)

Mathematica

(See the program at A205677.)

Crossrefs

Cf. A205677, A205558.

Sequence in context: A305425 A212652 A303691 * A128590 A143228 A143211

Adjacent sequences: A205675 A205676 A205677 * A205679 A205680 A205681

Keyword

nonn

Author

Clark Kimberling, Jan 30 2012

Status

approved