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A056551 Smallest cube divisible by n divided by largest cube which divides n. +0
5
1, 8, 27, 8, 125, 216, 343, 1, 27, 1000, 1331, 216, 2197, 2744, 3375, 8, 4913, 216, 6859, 1000, 9261, 10648, 12167, 27, 125, 17576, 1, 2744, 24389, 27000, 29791, 8, 35937, 39304, 42875, 216, 50653, 54872, 59319, 125, 68921, 74088, 79507, 10648 (list; graph; listen)
OFFSET

1,2

LINKS

H. Bottomley, Some Smarandache-type multiplicative sequences

FORMULA

a(n) =A053149(n)/A008834(n) =A048798(n)*A050985(n) =A056552(n)^3

EXAMPLE

a(16)=8 since smallest cube divisible by 16 is 64 and smallest cube which divides 16 is 8 and 64/8=8

CROSSREFS

Cf. A000189, A000578, A008834, A019555, A048798, A050985, A053149, A053150, A056552.

Sequence in context: A070490 A088378 A005064 this_sequence A053149 A102637 A070510

Adjacent sequences: A056548 A056549 A056550 this_sequence A056552 A056553 A056554

KEYWORD

nonn,mult

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Jun 25 2000

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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