%I
%S 5,20,70,350,820,8030,13170,102750,327050,2444780,4884430,61632150,
%T 101732420,1017309930,3816214730,19104506250,47683838320,635787430450,
%U 1059638680670,11924777944650,39736963208630
%N Number of primitive (aperiodic) step shifted (decimated) sequences using a maximum of five different symbols.
%C See A056371 for an explanation of step shifts.
%D M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2]
%F Sum mu(d)*A056374(n/d) where dn.
%K nonn
%O 1,1
%A _Marks R. Nester_
