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A224889 Numbers n such that 90n + 91 is prime. 2
1, 2, 5, 6, 8, 10, 12, 16, 17, 19, 23, 24, 25, 27, 30, 32, 33, 36, 38, 40, 44, 46, 50, 53, 54, 61, 64, 67, 68, 69, 71, 72, 73, 75, 83, 85, 88, 89, 90, 93, 95, 96, 97, 99, 100, 101, 106, 107, 108, 109, 116, 118, 120, 122, 123, 124, 129, 132, 135, 137, 138, 139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Equals A181732 - 1.

LINKS

Michael B. Porter, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[0, 400], PrimeQ[90# +91]&]

PROG

(PARI) isA224889(n) = isprime(90*n + 91) \\ Michael B. Porter, Jul 28 2013

CROSSREFS

Sequence in context: A034020 A187476 A121411 * A047441 A284777 A344312

Adjacent sequences:  A224886 A224887 A224888 * A224890 A224891 A224892

KEYWORD

nonn,easy

AUTHOR

J. W. Helkenberg, Jul 24 2013

STATUS

approved

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Last modified August 3 01:36 EDT 2021. Contains 346429 sequences. (Running on oeis4.)