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A205154 The index j<k such that n divides s(k)-s(j) for some j, where s(j)=(prime(j+1) + prime(j+2))/2. 2
1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 6, 1, 4, 5, 2, 3, 1, 1, 2, 3, 1, 4, 2, 7, 1, 13, 6, 2, 8, 1, 2, 11, 1, 2, 2, 1, 6, 7, 2, 5, 1, 3, 4, 5, 2, 3, 1, 20, 2, 3, 1, 4, 2, 10, 1, 5, 19, 2, 4, 1, 2, 3, 1, 4, 2, 5, 1, 8, 4, 2, 8, 1, 5, 8, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

For a guide to related sequences, see A204892.

LINKS

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

MATHEMATICA

(See the program at A205153.)

CROSSREFS

Cf. A205153, A204892.

Sequence in context: A334745 A323231 A175128 * A025898 A025849 A088782

Adjacent sequences:  A205151 A205152 A205153 * A205155 A205156 A205157

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 26 2012

STATUS

approved

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Last modified May 30 23:49 EDT 2020. Contains 334747 sequences. (Running on oeis4.)