A176326 - OEIS

%I #12 Nov 03 2016 15:59:18

%S 7,9,11,6,11,8,5,13,5,4,15,2,3,17,-1,2,19,-4,1,21,-7,0,23,-10,-1,25,

%T -13,-2,27,-16,-3,29,-19,-4,31,-22,-5,33,-25,-6,35,-28,-7,37,-31,-8,

%U 39,-34,-9,41,-37,-10,43,-40,-11,45,-43,-12,47,-46

%N a(3n) is the sequence 7, 6, 5, 4, ...; a(3n+1) is the sequence 9, 11, 13, 15, ...; a(3n+2) is the sequence 11, 8, 5, ...

%C Array read by rows in which row n lists 8-n, 2*n+7 and 14-3*n. [From _Omar E. Pol_, Apr 25 2010]

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,2,0,0,-1).

%F G.f. ( 7+9*x+11*x^2-8*x^3-7*x^4-14*x^5 ) / ( (x-1)^2*(1+x+x^2)^2 ). - _R. J. Mathar_, May 04 2013

%t LinearRecurrence[{0,0,2,0,0,-1},{7,9,11,6,11,8},60] (* _Harvey P. Dale_, Nov 03 2016 *)

%K sign,easy,less

%O 0,1

%A P. D. Vall (pdvall(AT)yahoo.com), Apr 15 2010

%E Edited by _Omar E. Pol_ and _N. J. A. Sloane_, Apr 24 2010

%E More terms from _Omar E. Pol_, Apr 25 2010