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 A070761 Values of floor((4/3)^n) that are composite. 2
 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; text; internal format)
 OFFSET 1,1 REFERENCES R. K. Guy, Unsolved Problems in Number Theory, E19 LINKS Table of n, a(n) for n=1..39. Eric Weisstein's World of Mathematics, Power Floors MATHEMATICA Select[Rest[Union[Floor[(4/3)^Range[80]]]], !PrimeQ[#]&] (* Harvey P. Dale, Sep 23 2011 *) CROSSREFS Cf. A046038, A067905, A070762. Sequence in context: A053908 A149165 A083859 * A149166 A149167 A149168 Adjacent sequences: A070758 A070759 A070760 * A070762 A070763 A070764 KEYWORD nonn AUTHOR Eric W. Weisstein, May 04 2002 STATUS approved

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Last modified June 6 18:11 EDT 2023. Contains 363149 sequences. (Running on oeis4.)