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A296604
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Number of Johnson solids with n faces.
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6
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0, 0, 0, 0, 1, 2, 1, 4, 2, 4, 3, 4, 2, 8, 1, 3, 3, 4, 0, 6, 1, 4, 0, 2, 0, 4, 3, 0, 0, 1, 0, 5, 0, 1, 0, 0, 3, 0, 0, 0, 0, 7, 0, 0, 0, 0, 1, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0
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OFFSET
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1,6
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COMMENTS
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Sum(n>0, a(n)) = 92, the number of Johnson solids, as conjectured by Johnson and proved by Zalgaller.
a(n) > 0 if and only if n is a member of A296603.
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LINKS
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FORMULA
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a(62) = 5.
a(n) = 0 for n > 62.
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EXAMPLE
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The square pyramid is the only Johnson solid with five faces, so a(5) = 1.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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