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A158890 Numbers n with property that k*n^2+n+41 are primes for k=1,3,5,7,9,11,13 (seven primes in AP). 0
67935525, 135460080, 1098298110, 1191370110 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All terms are multiples of 105:

105*(647005,1290096,10459982,11346382).

LINKS

Table of n, a(n) for n=1..4.

CROSSREFS

Sequence in context: A203670 A183707 A256274 * A230746 A084071 A251615

Adjacent sequences:  A158887 A158888 A158889 * A158891 A158892 A158893

KEYWORD

nonn

AUTHOR

Zak Seidov, Mar 29 2009

STATUS

approved

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Last modified May 24 17:39 EDT 2019. Contains 323534 sequences. (Running on oeis4.)