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A061055
Duplicate of A060776.
0
1, 1, 2, 4, 10, 24, 70, 192, 576, 1890, 6300, 21600, 78848, 294840, 1143072, 4572288
OFFSET
1,3
CROSSREFS
Sequence in context: A148089 A363065 A200743 * A060776 A148090 A148091
KEYWORD
dead
AUTHOR
Ed Pegg Jr, May 28 2001
STATUS
approved