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A322606 Primes of form 9753197531... . 2
97, 9753197, 97531975319, 97531975319753197, 975319753197531975319 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The next term is too large to include.

The next term has 127 digits and there are no additional terms up to 2000 digits. - Harvey P. Dale, Jul 13 2021

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..6

MATHEMATICA

Select[Table[FromDigits[PadRight[{}, n, {9, 7, 5, 3, 1}]], {n, 30}], PrimeQ] (* Harvey P. Dale, Jul 13 2021 *)

CROSSREFS

Subsequence of A030096.

Cf. A322517.

Sequence in context: A338779 A209475 A186167 * A145309 A122128 A114430

Adjacent sequences:  A322603 A322604 A322605 * A322607 A322608 A322609

KEYWORD

nonn,base

AUTHOR

Seiichi Manyama, Dec 20 2018

STATUS

approved

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Last modified September 20 11:42 EDT 2021. Contains 347584 sequences. (Running on oeis4.)