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Search: id:A077686
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A077686 2^(n-1) - (prime(n) mod n). +0
1
1, 1, 2, 5, 15, 31, 61, 125, 251, 503, 1015, 2047, 4094, 8191, 16382, 32763, 65528, 131065, 262134, 524277, 1048566, 2097139, 4194290, 8388591, 16777194, 33554409, 67108842, 134217705, 268435434, 536870889, 1073741821, 2147483645, 4294967291, 8589934589 (list; graph; listen)
OFFSET

1,3

CROSSREFS

Sequence in context: A104585 A116053 A078528 this_sequence A034499 A006451 A000962

Adjacent sequences: A077683 A077684 A077685 this_sequence A077687 A077688 A077689

KEYWORD

nonn

AUTHOR

njas, Feb 12 2003

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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