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A084946
Duplicate of A047055.
0
1, 2, 14, 168, 2856, 62832, 1696464, 54286848, 2008613376, 84361761792
OFFSET
0,2
CROSSREFS
Sequence in context: A003582 A372796 A277373 * A047055 A355779 A229257
KEYWORD
dead
STATUS
approved