A126051 Exponents p of the Mersenne primes 2^p - 1 (see A000043) read mod 11.

2, 3, 5, 7, 2, 6, 8, 9, 6, 1, 8, 6, 4, 2, 3, 3, 4, 5, 7, 1, 9, 8, 4, 5, 9, 10, 2, 3, 8, 5, 7, 6, 3, 3, 4, 6, 7, 1, 2, 3, 10, 1, 8, 8, 9, 2, 1

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Formula

a(n) = A010880(A000043(n)). - Ivan Panchenko, Apr 07 2018

Mathematica

Array[Mod[MersennePrimeExponent@ #, 11] &, 45] (* Michael De Vlieger, Apr 10 2018 *)

Crossrefs

Cf. A126043-A126059.

Sequence in context: A139752 A238191 A004088 * A115260 A143950 A108534

Adjacent sequences: A126048 A126049 A126050 * A126052 A126053 A126054

Keyword

nonn,more

Author

Artur Jasinski, Dec 17 2006

Extensions

a(45)-a(46) from Ivan Panchenko, Apr 07 2018

a(47) from Ivan Panchenko, Apr 09 2018

Status

approved