A080173 Final 2 digits of n-th Mersenne prime A000668(n).

3, 7, 31, 27, 91, 71, 87, 47, 51, 11, 27, 27, 51, 27, 87, 7, 51, 71, 91, 7, 11, 51, 91, 71, 51, 11, 71, 7, 7, 11, 47, 87, 91, 27, 11, 51, 71, 91, 71, 47, 7, 47, 71, 71, 27, 51, 11, 51

Offset

1,1

Links

Table of n, a(n) for n=1..48.

Great Internet Mersenne Prime Search (GIMPS), Distributed Computing Projects

Mersenne Primes, History, Theorems and Lists

Mathematica

Mod[2^MersennePrimeExponent[Range[48]]-1, 100] (* Mark Dowdeswell, Sep 16 2024 *)

Crossrefs

Cf. A080172, A000668, A000043.

Sequence in context: A009128 A053648 A138862 * A023266 A359702 A217198

Adjacent sequences: A080170 A080171 A080172 * A080174 A080175 A080176

Keyword

base,more,nonn

Author

Mark Dowdeswell, Feb 04 2003

Extensions

Offset corrected by Arkadiusz Wesolowski, Jan 26 2012

a(39)-a(47) from Ivan Panchenko, Apr 11 2018

a(48) from Mark Dowdeswell, Sep 16 2024

Status

approved