OFFSET
1,1
COMMENTS
A Mersenne prime is a prime of the form 2^p - 1 where p is a prime.
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..4
Chris K. Caldwell, Mersenne Primes.
FORMULA
EXAMPLE
a(2) = 823543 because M(2) = 7 and we can write 823543 = 7^7 or 823543 = 7*7*7*7*7*7*7.
MATHEMATICA
Map[(2^#-1)^(2^#-1) &, MersennePrimeExponent[Range[3]]] (* Amiram Eldar, Oct 17 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Aug 25 2007
STATUS
approved