A126054 Exponents p of the Mersenne primes 2^p - 1 (see A000043) read mod 14.

2, 3, 5, 7, 13, 3, 5, 3, 5, 5, 9, 1, 3, 5, 5, 5, 13, 11, 11, 13, 1, 1, 13, 1, 1, 11, 5, 3, 1, 1, 1, 13, 1, 13, 5, 3, 9, 5, 9, 1, 11, 5, 1, 9, 9, 11, 1, 5

Offset

1,1

Links

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

Formula

a(n) = A070696(A000043(n)). - Michel Marcus, Apr 07 2018

Mathematica

Mod[MersennePrimeExponent[Range[47]], 14] (* Harvey P. Dale, Aug 12 2021 *)

Crossrefs

Cf. A000043, A070696, A126043-A126059.

Sequence in context: A126057 A126056 A126055 * A387523 A067836 A332806

Adjacent sequences: A126051 A126052 A126053 * A126055 A126056 A126057

Keyword

nonn,more

Author

Artur Jasinski, Dec 17 2006

Extensions

a(45)-a(47) from Ivan Panchenko, Apr 08 2018

a(48) from Amiram Eldar, Oct 15 2024

Status

approved