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A101427 Number of different cuboids with volume (pq)^n, where p,q are distinct prime numbers. 4
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; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A034836, which gives the number of cuboids for volume n.

FORMULA

a(n) = A034836(6^n) = A034836((pq)^n) for p,q distinct primes.

CROSSREFS

Cf. A034836, A101423, A101424, A101425, A101426.

Sequence in context: A193389 A030504 A000158 * A126877 A107769 A026588

Adjacent sequences:  A101424 A101425 A101426 * A101428 A101429 A101430

KEYWORD

nonn

AUTHOR

Anthony C Robin (anthony_robin(AT)hotmail.com), Jan 17 2005

EXTENSIONS

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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Last modified February 15 20:26 EST 2012. Contains 205852 sequences.