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A047757
Duplicate of A047755.
0
0, 0, 1, 5, 26, 133, 708, 3861, 21604, 123266, 715221, 4206956, 25032840, 150413348
OFFSET
0,4
CROSSREFS
Sequence in context: A033123 A331883 A047770 * A047755 A047768 A375177
KEYWORD
dead
STATUS
approved