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%I #6 Jun 01 2014 13:56:50
%S 0,0,0,1,0,2,0,3,0,4,0,5,0,6,0,0,1,0,1,1,0,2,1,0,3,1,0,4,1,0,5,1,0,6,
%T 1,0,0,2,0,1,2,0,2,2,0,3,2,0,4,2,0,5,2,0,6,2,0,0,3,0,1,3,0,2,3,0,3,3,
%U 0,4,3,0,5,3,0,6,3,0,0,4,0,1,4,0,2,4,0,3,4,0,4,4,0,5,4,0,6,4,0,0,5,0,1,5,0
%N Let S_n = 0 followed by base-7 expansion of n, reversed; sequence is concatenation of S_0, S_1, S_2, ...
%C This is a version of the van der Corput sequence in base 7.
%D Crandall, Richard; Pomerance, Carl. Prime numbers. A computational perspective. Springer-Verlag, New York, 2001. xvi+545 pp. ISBN: 0-387-94777-9 MR1821158 (2002a:11007). See pp. 373-374.
%p See A234577.
%t Flatten[Table[Join[{0},Reverse[IntegerDigits[n,7]]],{n,0,50}]] (* _Harvey P. Dale_, Jun 01 2014 *)
%Y Cf. A234577-A234585.
%K nonn,base
%O 0,6
%A _N. J. A. Sloane_, Dec 29 2013
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