%I A118968
%S A118968 1,1,1,1,1,2,3,4,5,11,18,26,35,80,136,204,285,665,1155,1771,2530,5980,
%T A118968 10530,16380,23751,56637,100688,158224,231880,556512,996336,1577532,
%U A118968 2330445,5620485,10116873,16112057,23950355,57985070,104819165
%N A118968 a(4n+k)=(k+1)*binomial(5n+k,n)/(4n+k+1), k=0,..3.
%C A118968 Row sums of Riordan array (1,x(1-x^4))^(-1). a(4n)=A002294(n),a(4n+1)=A118969(n),
               a(4n+2)=A118970(n),a(4n+3)=A118971(n).
%Y A118968 Sequence in context: A052418 A051800 A121432 this_sequence A073528 A116067 
               A063685
%Y A118968 Adjacent sequences: A118965 A118966 A118967 this_sequence A118969 A118970 
               A118971
%K A118968 easy,nonn
%O A118968 0,6
%A A118968 Paul Barry (pbarry(AT)wit.ie), May 07 2006