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A077134
Duplicate of A001710.
0
1, 1, 1, 3, 12, 60, 360, 2520, 20160, 181440, 1814400, 19958400, 239500800
OFFSET
0,4
CROSSREFS
Sequence in context: A180707 A062569 A089057 * A001710 A105752 A177138
KEYWORD
dead
STATUS
approved