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A086524 Primes arising as the arithmetic mean of a pair of successive terms of A086523. 1
11, 23, 41, 47, 71, 107, 131, 173, 227, 263, 281, 347, 431, 491, 557, 617, 647, 677, 761, 839, 953, 1163, 1283, 1361, 1493, 1583, 1667, 1811, 1907, 1931, 1973, 2039, 2111, 2207, 2333, 2417, 2459, 2543, 2621, 2663, 2711, 2741, 2777, 2819, 2897, 2963, 3089 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Every term == -1 (mod 6). Conjecture: every prime of the form 6k-1 is a member.

LINKS

Table of n, a(n) for n=1..47.

CROSSREFS

Cf. A086519, A086522, A086523.

Sequence in context: A232116 A119890 A094376 * A060915 A052034 A077041

Adjacent sequences:  A086521 A086522 A086523 * A086525 A086526 A086527

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Jul 30 2003

EXTENSIONS

More terms from Ray G. Opao, Jan 24 2005

STATUS

approved

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Last modified September 18 23:45 EDT 2021. Contains 347549 sequences. (Running on oeis4.)