%I #6 Aug 22 2017 20:53:11
%S 0,0,0,0,6,150,400,4080,15480,127818,269340,3493680,5777190,57262450,
%T 210945182,1030388115,2493913170,32176448060,51785999300,562228325904,
%U 1805427491920,10438821843750,22865672706000
%N Number of step cyclic shifted sequences using exactly five different symbols.
%C See A056371 for an explanation of step shifts. Under step cyclic shifts, abcde, bdace, bcdea, cdeab and daceb etc. are equivalent.
%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 A056413(n)-5*A056412(n)+10*A056411(n)-10*A002729(n)+5.
%Y Cf. A056413.
%K nonn
%O 1,5
%A _Marks R. Nester_
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