|
Search: id:A101427
|
|
|
| A101427 |
|
Number of different cuboids with volume (pq)^n, where p,q are distinct prime numbers. |
|
+0
5
|
|
| 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)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
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.
Adjacent sequences: A101424 A101425 A101426 this_sequence A101428 A101429 A101430
Sequence in context: A031327 A030504 A000158 this_sequence A126877 A107769 A026588
|
|
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
|
|
|
Search completed in 0.002 seconds
|
