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A139729
9^n mod 4^n.
1
0, 1, 1, 25, 161, 681, 3057, 15225, 55105, 233801, 269201, 3471385, 1882337, 50495465, 186023729, 63600825, 3793632897, 12667859593, 28111390417, 253002513753, 352877275169, 3175895476521, 15388919755377, 68131533620729, 120602593342913, 240998409954249
OFFSET
0,4
LINKS
PROG
(Magma) [9^n mod 4^n: n in [0..35]]; // Vincenzo Librandi, Jun 03 2011
CROSSREFS
Sequence in context: A232000 A260046 A316948 * A317728 A125335 A126493
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 20 2008
STATUS
approved