OFFSET
1,2
EXAMPLE
a(4) = 2^(prime(4)-2) mod prime(4+2) = 2^(7-2) mod 13 = 6.
MAPLE
A175803 := proc(n) 2^(ithprime(n)-2) mod ithprime(n+2) ; end proc: # R. J. Mathar, Dec 05 2010
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Dec 04 2010
EXTENSIONS
Terms corrected by R. J. Mathar, Dec 05 2010
STATUS
approved