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Numbers that are congruent to {0, 3, 4, 5, 6} mod 7.
0

%I #15 Jan 10 2021 11:58:01

%S 0,3,4,5,6,7,10,11,12,13,14,17,18,19,20,21,24,25,26,27,28,31,32,33,34,

%T 35,38,39,40,41,42,45,46,47,48,49,52,53,54,55,56,59,60,61,62,63,66,67,

%U 68,69,70,73,74,75,76,77

%N Numbers that are congruent to {0, 3, 4, 5, 6} mod 7.

%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,1,-1)

%F G.f.: x^2*(3 + x + x^2 + x^3 + x^4) / ( (1 + x + x^2 + x^3 + x^4)*(x-1)^2 ). - _R. J. Mathar_, Oct 25 2011

%t LinearRecurrence[{1,0,0,0,1,-1},{0,3,4,5,6,7},60] (* _Harvey P. Dale_, Jan 10 2021 *)

%K nonn

%O 1,2

%A _N. J. A. Sloane_