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A067607
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Number of stacks of n pancakes requiring a maximum number of flips to order.
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2
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1, 1, 1, 3, 20, 2, 35, 455, 5804, 73232, 6, 167, 2001, 24974, 339220, 4646117, 65758725
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OFFSET
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1,4
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COMMENTS
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a(18) >= 12357059, a(19) >= 410 from J. Cibulka's webpage. - Dan Dima, Feb 19 2024
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LINKS
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CROSSREFS
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KEYWORD
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nonn,hard,more
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AUTHOR
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EXTENSIONS
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Corrected and extended by Rob Pratt, Feb 21 2004
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STATUS
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approved
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