A047316 - OEIS

%I #12 Mar 07 2020 23:24:25

%S 0,2,4,5,6,7,9,11,12,13,14,16,18,19,20,21,23,25,26,27,28,30,32,33,34,

%T 35,37,39,40,41,42,44,46,47,48,49,51,53,54,55,56,58,60,61,62,63,65,67,

%U 68,69,70,72,74,75,76,77,79

%N Numbers that are congruent to {0, 2, 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*(2 + 2*x + x^2 + x^3 + x^4) / ( (x^4 + x^3 + x^2 + x + 1)*(x-1)^2 ). - _R. J. Mathar_, Dec 03 2011

%K nonn

%O 1,2

%A _N. J. A. Sloane_