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A101426
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Number of different cuboids with volume p^6 * q^n, where p,q are distinct prime numbers.
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4
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7, 16, 32, 51, 76, 104, 139, 176, 220, 267, 320, 376, 439, 504, 576, 651, 732, 816, 907, 1000, 1100, 1203, 1312, 1424, 1543, 1664, 1792, 1923, 2060, 2200, 2347, 2496, 2652, 2811, 2976, 3144, 3319, 3496, 3680, 3867, 4060, 4256, 4459, 4664, 4876, 5091, 5312
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OFFSET
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0,1
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COMMENTS
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Subsequence of A034836, which gives the number of cuboids for volume n.
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LINKS
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FORMULA
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Empirical g.f.: -(3*x^3+9*x^2+9*x+7)/((x+1)*(x^2+x+1)*(x-1)^3). - Colin Barker, Mar 28 2014
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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