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A126044
Exponents p of the Mersenne primes 2^p - 1 (see
A000043
) read mod 4.
1
2, 3, 1, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 3, 3, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 3, 3, 4, 3, 3, 1, 3, 1, 1, 1, 1, 1, 3, 3, 3, 1, 1, 3, 1, 1
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OFFSET
1,1
LINKS
Table of n, a(n) for n=1..47.
FORMULA
a(n) =
A010873
(
A000043
(n)). -
Michel Marcus
, Apr 07 2018
MATHEMATICA
Array[Mod[MersennePrimeExponent@ #, 4] &, 45] (*
Michael De Vlieger
, Apr 07 2018 *)
CROSSREFS
Cf.
A126043
-
A126059
.
Sequence in context:
A064442
A287566
A134411
*
A342344
A342101
A114899
Adjacent sequences:
A126041
A126042
A126043
*
A126045
A126046
A126047
KEYWORD
nonn
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
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Last modified September 4 19:48 EDT 2024. Contains 375685 sequences. (Running on oeis4.)