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A175683 Numbers n such that 30n-13, 30n-11, 30n-1, 30n+1, 30n+11, 30n+13 are all prime. 1
1, 43, 141, 720, 3038, 3466, 3772, 4068, 7896, 11402, 14070, 17499, 18683, 20887, 25166, 26586, 30311, 33237, 44072, 49791, 56629, 58268, 58764, 71483, 71953, 74284, 79939, 86022, 87199, 88941, 91951, 92273, 100176, 102019, 107505, 109438 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

EXAMPLE

a(1)=1 because 30*1-13=17=prime, 30*1-11=19=prime, 30*1-1=29=prime, 30*1+1=31=prime, 30*1+11=41=prime, 30*1+13=43=prime.

CROSSREFS

Cf. A053319.

Sequence in context: A142394 A086760 A142412 * A044375 A044756 A142573

Adjacent sequences:  A175680 A175681 A175682 * A175684 A175685 A175686

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Aug 09 2010

EXTENSIONS

Corrected (3472 replaced by 3772, 49776 replaced by 49791) and extended by R. J. Mathar, Aug 13 2010

STATUS

approved

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Last modified June 13 18:45 EDT 2021. Contains 345008 sequences. (Running on oeis4.)