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A084133
Duplicate of A005667.
0
1, 3, 19, 117, 721, 4443, 27379, 168717, 1039681, 6406803, 39480499, 243289797
OFFSET
0,2
CROSSREFS
Sequence in context: A261777 A037781 A037585 * A005667 A098444 A290477
KEYWORD
dead
STATUS
approved