OFFSET
0,2
FORMULA
a(n) = A015910(2n+1).
EXAMPLE
a(0) = (2^(2*0+1) mod (2*0+1))=(2 mod 1)=0.
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jan 13 2011
STATUS
approved