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A088552
Duplicate of A000668.
0
3, 7, 31, 127, 8191, 131071, 524287, 2147483647, 2305843009213693951
OFFSET
1,1
CROSSREFS
Sequence in context: A136005 A336720 A183077 * A000668 A136007 A084732
KEYWORD
dead
STATUS
approved