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A252801 Primes whose trajectory under the procedure in A244550, modified to also allow the Wieferich prime 2, enter the repeating cycle {2, 1093}. 7
2, 5, 7, 13, 17, 23, 29, 31, 37, 41, 43 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Cf. A244550, A252802, A252812.

Sequence in context: A291284 A023204 A248606 * A270617 A045352 A278494

Adjacent sequences:  A252798 A252799 A252800 * A252802 A252803 A252804

KEYWORD

nonn,hard,more

AUTHOR

Felix Fröhlich, Dec 22 2014

STATUS

approved

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Last modified October 17 12:56 EDT 2019. Contains 328112 sequences. (Running on oeis4.)