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A083596
Duplicate of A082541.
0
1, 7, 21, 63, 189, 567, 1701, 5103, 15309, 45927, 137781, 413343, 1240029, 3720087
OFFSET
0,2
CROSSREFS
Sequence in context: A200930 A088656 A146139 * A082541 A005032 A152766
KEYWORD
dead
STATUS
approved