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A056384 Number of primitive (aperiodic) step shifted (decimated) sequences using a maximum of five different symbols. 1

%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 d|n.

%K nonn

%O 1,1

%A _Marks R. Nester_

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Last modified February 6 05:07 EST 2023. Contains 360097 sequences. (Running on oeis4.)