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A260569 Numbers n such that (n^73+1)/(n+1) is prime. 1
18, 214, 280, 394, 422, 444, 447, 571, 745, 787, 796, 886, 954, 960, 987, 1012, 1055, 1140, 1194, 1212, 1224, 1227, 1349, 1583, 1598, 1640, 1686, 1714, 1723, 1750, 1931, 1962, 2032, 2036, 2110, 2223, 2339, 2774, 2827, 2859, 2957, 3063, 3192, 3236, 3285, 3485 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Tim Johannes Ohrtmann, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[1, 10000], PrimeQ[(#^73 + 1)/(# + 1)] &]

PROG

(PARI) for(n=1, 10000, if(isprime((n^73+1)/(n+1)), print1(n, ", ")))

(MAGMA) [n: n in [1..10000] |IsPrime((n^73 + 1) div (n + 1))]

CROSSREFS

Cf. A055494, A246392, A250174, A250178, A250181, A250185, A250187, A250193, A260558-A260573.

Sequence in context: A025937 A021804 A025932 * A125430 A021764 A059357

Adjacent sequences:  A260566 A260567 A260568 * A260570 A260571 A260572

KEYWORD

nonn

AUTHOR

Tim Johannes Ohrtmann, Jul 29 2015

STATUS

approved

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Last modified February 28 00:58 EST 2020. Contains 332319 sequences. (Running on oeis4.)