A047302 - OEIS

%I #15 Mar 08 2020 04:04:50

%S 1,2,3,4,6,8,9,10,11,13,15,16,17,18,20,22,23,24,25,27,29,30,31,32,34,

%T 36,37,38,39,41,43,44,45,46,48,50,51,52,53,55,57,58,59,60,62,64,65,66,

%U 67,69,71,72,73,74,76,78,79

%N Numbers that are congruent to {1, 2, 3, 4, 6} mod 7.

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,0,1,-1).

%F G.f.: x*(1 + x + x^2 + x^3 + 2*x^4 + x^5) / ( (x^4 + x^3 + x^2 + x + 1)*(x-1)^2 ). - _R. J. Mathar_, Oct 25 2011

%K nonn

%O 1,2

%A _N. J. A. Sloane_