

A322960


Numbers k such that 335*2^k+1 is prime.


0



19, 23, 29, 173, 263, 295, 659, 803, 1075, 1087, 1129, 1189, 3173, 4519, 16277, 44425, 67069, 103789, 151319, 189379, 323767, 356029, 409429, 528439, 1335337
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OFFSET

1,1


LINKS



MAPLE

select(n>isprime(335*2^n+1), [$1..1000]); # Muniru A Asiru, Dec 31 2018


MATHEMATICA

Select[Range[1000], PrimeQ[335*2^# + 1] &] (* Robert Price, Dec 31 2018 *)


CROSSREFS



KEYWORD

nonn,more,hard


AUTHOR



STATUS

approved



