Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #10 May 19 2017 21:51:40
%S 1,1,1,1,2,2,2,2,3,4,4,4,6,7,7,7,9,10,11,11,13,15,16,16,19,21,22,23,
%T 26,28,30,31,34,37,39,40,45,48,50,52,57,60,63,65,70,75,78,80,87,92,95,
%U 98,105,110,115,118,125,132
%N Expansion of 1/((1-x)(1-x^4)(1-x^9)(1-x^12)).
%C Number of partitions of n into parts 1, 4, 9 and 12. - _Ilya Gutkovskiy_, May 19 2017
%H <a href="/index/Rec#order_26">Index entries for linear recurrences with constant coefficients</a>, signature (1,0,0,1,-1,0,0,0,1,-1,0,1,-2,1,0,-1,1,0,0,0,-1,1,0,0,1,-1).
%F For n>26, a(n)=a(n-1)+a(n-4)-a(n-5)+a(n-9)-a(n-10)+a(n-12)-2*a(n-13)+a(n-14)- a(n-16)+a(n-17)-a(n-21)+a(n-22)+a(n-25)-a(n-26). - _Harvey P. Dale_, Feb 24 2013
%t CoefficientList[Series[1/((1-x)(1-x^4)(1-x^9)(1-x^12)),{x,0,80}],x] (* _Harvey P. Dale_, Feb 24 2013 *)
%K nonn
%O 0,5
%A _N. J. A. Sloane_.