A037667 - OEIS

%I #10 Nov 30 2024 19:43:44

%S 3,14,56,227,910,3640,14563,58254,233016,932067,3728270,14913080,

%T 59652323,238609294,954437176,3817748707,15270994830,61083979320,

%U 244335917283,977343669134,3909374676536,15637498706147,62549994824590,250199979298360,1000799917193443

%N Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0.

%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,0,1,-4).

%F G.f.: x*(3+2*x) / ( (x-1)*(4*x-1)*(1+x+x^2) ). - _R. J. Mathar_, Apr 30 2015

%e Terms in base 4: 3, 32, 320, 3203, 32032, 320320, 3203203, 32032032, 320320320, ... .

%K nonn,base,easy

%O 1,1

%A _Clark Kimberling_