A179976 a(n) = 2^(2n+1) mod (2n+1).

0, 2, 2, 2, 8, 2, 2, 8, 2, 2, 8, 2, 7, 26, 2, 2, 8, 18, 2, 8, 2, 2, 17, 2, 30, 8, 2, 43, 8, 2, 2, 8, 32, 2, 8, 2, 2, 68, 18, 2, 80, 2, 32, 8, 2, 37, 8, 13, 2, 17, 2, 2, 92, 2, 2, 8, 2, 78, 44, 60, 112, 8, 57, 2, 8, 2, 128, 53, 2, 2, 8, 85, 32, 50, 2, 2, 53, 63, 2, 8, 151

Offset: 0

Author

Juri-Stepan Gerasimov, Jan 13 2011

Keywords

• nonn

Examples

			a(0) = (2^(2*0+1) mod (2*0+1))=(2 mod 1)=0.
		

Formula

a(n) = A015910(2n+1).