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Search: id:A101427
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| A101427 |
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Number of different cuboids with volume (pq)^n, where p,q are distinct prime numbers. |
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+0
5
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| 2, 8, 19, 42, 78, 139, 224, 350, 517, 744, 1032, 1405, 1862, 2432, 3115, 3942, 4914, 6067, 7400, 8954, 10729, 12768, 15072, 17689, 20618, 23912, 27571, 31650, 36150, 41131, 46592, 52598, 59149, 66312, 74088, 82549, 91694, 101600, 112267, 123774
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Subsequence of A034836, which gives the number of cuboids for volume n.
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FORMULA
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a(n) = A034836(6^n) = A034836((pq)^n) for p,q distinct primes.
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CROSSREFS
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Cf. A034836, A101423, A101424, A101425, A101426.
Sequence in context: A031327 A030504 A000158 this_sequence A126877 A107769 A026588
Adjacent sequences: A101424 A101425 A101426 this_sequence A101428 A101429 A101430
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KEYWORD
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nonn
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AUTHOR
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Anthony C Robin (anthony_robin(AT)hotmail.com), Jan 17 2005
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EXTENSIONS
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Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 17 2008
Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 19 2008
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