A177490 - OEIS

A177490

Primes of the form (41*10^n-23)/9.

2, 43, 45553, 45555553, 45555555555555555553, 45555555555555555555555555555555553, 4555555555555555555555555555555555555555555555555555553

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OFFSET

1,1

LINKS

MATHEMATICA

Select[(41 10^Range[0, 60]-23)/9, PrimeQ] (* Harvey P. Dale, Dec 12 2020 *)

PROG

(Magma) [a: n in [0..250] | IsPrime(a) where a is (41*10^n-23)div(9)]

CROSSREFS

KEYWORD

nonn

AUTHOR

STATUS

approved