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Search: id:A007335
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A007335 MU-numbers: next term is uniquely the product of 2 earlier terms.
(Formerly M0794)
+0
3
2, 3, 6, 12, 18, 24, 48, 54, 96, 162, 192, 216, 384, 486, 768, 864, 1458, 1536, 1944, 3072, 3456, 4374, 6144, 7776, 12288, 13122, 13824, 17496, 24576, 31104, 39366, 49152, 55296, 69984, 98304, 118098, 124416, 157464, 196608, 221184, 279936 (list; graph; listen)
OFFSET

1,1

REFERENCES

C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 359.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..100 (Corrected Jan 21 2008)

CROSSREFS

Cf. A054540.

Subsequence of A133933.

Sequence in context: A093687 A000423 A133933 this_sequence A103070 A079708 A096571

Adjacent sequences: A007332 A007333 A007334 this_sequence A007336 A007337 A007338

KEYWORD

nonn,easy,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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