A205685 The number j such that 5 divides prime(k)-prime(j), where k(n)=A205684(n).

1, 2, 1, 4, 2, 6, 8, 5, 1, 4, 7, 5, 11, 2, 6, 9, 1, 4, 7, 12, 2, 6, 9, 14, 8, 10, 5, 11, 13, 1, 4, 7, 12, 15, 5, 11, 13, 18, 2, 6, 9, 14, 16, 8, 10, 17, 2, 6, 9, 14, 16, 21, 8, 10, 17, 22, 1, 4, 7, 12, 15, 19, 5, 11, 13, 18, 20, 2, 6, 9, 14, 16, 21, 23, 1, 4, 7, 12, 15, 19

Offset

1,2

Comments

For a guide to related sequences, see A205558.

Links

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

Example

(See the example at A205684.)

Mathematica

(See the program at A205684.)

Crossrefs

Cf. A205684, A205558.

Sequence in context: A330001 A292402 A353132 * A334404 A143375 A339418

Adjacent sequences: A205682 A205683 A205684 * A205686 A205687 A205688

Keyword

nonn

Author

Clark Kimberling, Jan 30 2012

Status

approved