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A070761
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Values of Floor[(4/3)^n] that are composite.
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1
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4, 9, 42, 56, 74, 99, 133, 177, 236, 315, 420, 560, 747, 996, 1328, 1771, 2362, 3149, 4199, 5599, 7466, 9954, 13273, 17697, 23596, 31462, 41950, 74577, 99437, 132583, 235703, 314271, 419028, 558704, 744938, 993251, 1324335, 1765780, 2354374
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| R. K. Guy, Unsolved Problems in Number Theory, E19
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LINKS
| Eric Weisstein's World of Mathematics, Power Floors
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MATHEMATICA
| Select[Rest[Union[Floor[(4/3)^Range[80]]]], !PrimeQ[#]&] (* From Harvey P. Dale, Sep 23 2011 *)
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CROSSREFS
| Cf. A046038, A067905, A070762.
Sequence in context: A053908 A149165 A083859 * A149166 A149167 A149168
Adjacent sequences: A070758 A070759 A070760 * A070762 A070763 A070764
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KEYWORD
| nonn
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), May 04, 2002
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