A109832 Number d such that (A109833(n)+k*d: 0<=k<=A109831(n)) is an arithmetic progression of primes.

1, 2, 2, 4, 6, 6, 8, 6, 6, 14, 18, 12, 12, 18, 12, 18, 24, 30, 34, 30, 6, 12, 42, 30, 30, 30, 18, 48, 30, 30, 30, 66, 36, 48, 24, 30, 12, 54, 42, 78, 54, 60, 42, 48, 60, 104, 72, 30, 66, 60, 66, 30, 60, 30, 12, 6, 30, 120, 90, 60, 60, 78, 60, 102, 90, 90, 138, 108, 36

Offset

2,2

Comments

a(n) = (A000040(n) - A109833(n)) / A109831(n).

Links

Table of n, a(n) for n=2..70.

Eric Weisstein's World of Mathematics, Prime Arithmetic Progression

Index entries for sequences related to primes in arithmetic progressions

Crossrefs

Sequence in context: A302928 A098214 A178883 * A309075 A039731 A005341

Adjacent sequences: A109829 A109830 A109831 * A109833 A109834 A109835

Keyword

nonn

Author

Reinhard Zumkeller, Jul 04 2005

Status

approved