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 A112985 2^(2^n mod n-1). 1
 1, 4, 1, 1, 2, 1, 16, 4, 16, 1, 128, 256, 16, 256, 16, 256, 2, 1, 16, 4, 16, 4096, 65536, 256, 16, 256, 16384, 256, 33554432, 16, 16, 256, 16, 1, 65536, 256, 2, 1048576, 16, 256, 65536, 4294967296, 16, 4, 16, 4294967296, 17179869184, 256, 16, 4294967296, 2048 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Harvey P. Dale, Table of n, a(n) for n = 0..1000 FORMULA a(n)=2^A112983(n). MATHEMATICA Join[{1, 4}, Table[2^PowerMod[2, n, n-1], {n, 2, 60}]] (* Harvey P. Dale, Jan 17 2017 *) CROSSREFS Sequence in context: A010324 A016525 A077604 * A073693 A100261 A016526 Adjacent sequences:  A112982 A112983 A112984 * A112986 A112987 A112988 KEYWORD easy,nonn AUTHOR Paul Barry, Oct 08 2005 STATUS approved

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