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A126056
Exponents p of the Mersenne primes 2^p - 1 (see A000043) read mod 16.
0
2, 3, 5, 7, 13, 1, 3, 15, 13, 9, 11, 15, 9, 15, 15, 11, 9, 1, 13, 7, 9, 5, 13, 1, 5, 9, 1, 3, 7, 1, 11, 7, 9, 11, 13, 13, 1, 1, 5, 11, 7, 7, 9, 1, 11, 9, 1, 9
OFFSET
1,1
FORMULA
a(n) = A130909(A000043(n)). - Michel Marcus, Apr 07 2018
MATHEMATICA
Mod[MersennePrimeExponent[Range[48]], 16] (* Amiram Eldar, Oct 15 2024 *)
CROSSREFS
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