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A053648 Scan decimal expansion of Mersenne primes (A000668), recording all primes seen. 1
3, 7, 31, 2, 127, 19, 191, 8191, 13, 71, 107, 131, 131071, 5, 524287, 47, 83, 647, 2147483647, 23, 43, 5843, 13693, 4300921, 5843009, 584300921, 5843009213, 30584300921, 43009213693, 2305843009213693951 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

EXAMPLE

19 and 191 are found in the Mersenne prime 8191.

CROSSREFS

Sequence in context: A019021 A110505 A009128 * A138862 A080173 A023266

Adjacent sequences:  A053645 A053646 A053647 * A053649 A053650 A053651

KEYWORD

nonn,base

AUTHOR

Enoch Haga, Feb 19 2000

STATUS

approved

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Last modified September 20 19:48 EDT 2020. Contains 337265 sequences. (Running on oeis4.)