A138616 a(n) = 7^n mod 2^n.
0, 1, 1, 7, 1, 7, 17, 119, 193, 327, 753, 1175, 2081, 6375, 3665, 9271, 32129, 28295, 66993, 206807, 923361, 1220647, 2253073, 7382903, 9737281, 1052103, 40919153, 17998615, 125990305, 345061223, 804815825, 265001655, 1855011585, 4395146503, 4996221745
Offset: 0
Keywords
Links
- Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Programs
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Magma
[7^n mod 2^n: n in [0..35]]; // Vincenzo Librandi, Jun 03 2011
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Mathematica
Table[PowerMod[7,n,2^n],{n,0,40}] (* Harvey P. Dale, Mar 19 2013 *)