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A227283 First primes of arithmetic progressions of 8 primes each with the common difference 210. 6
199, 409, 619, 881, 3499, 3709, 10627, 10859, 11069, 30097, 31583, 120661, 120737, 153319, 182537, 471089, 487391, 564973, 565183, 825991, 1010747, 1280623, 1288607, 1288817, 1302281, 1302491, 1395209, 1982599, 2358841, 2359051, 2439571, 3161017, 3600521 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The minimal possible difference in an AP-k is conjectured to be k# for all k > 7.

LINKS

Sameen Ahmed Khan, Table of n, a(n) for n = 1..150

MATHEMATICA

Clear[p]; d = 210; ap8p = {}; Do[If[PrimeQ[{p, p + d, p + 2*d, p + 3*d, p + 4*d, p + 5*d, p + 6*d, p + 7*d}] == {True, True, True, True, True, True, True, True}, AppendTo[ap8p, p]], {p, 3, 3000000, 2}]; ap8p

CROSSREFS

Cf. A001359, A023241, A023271, A094220, A156204, A227281, A227282, A227284, A227285, A227286.

Sequence in context: A004946 A157955 A033168 * A269325 A227284 A140632

Adjacent sequences:  A227280 A227281 A227282 * A227284 A227285 A227286

KEYWORD

nonn

AUTHOR

Sameen Ahmed Khan, Jul 05 2013

STATUS

approved

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Last modified February 20 17:47 EST 2017. Contains 282392 sequences.