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A056384 Number of primitive (aperiodic) step shifted (decimated) sequences using a maximum of five different symbols. 1
5, 20, 70, 350, 820, 8030, 13170, 102750, 327050, 2444780, 4884430, 61632150, 101732420, 1017309930, 3816214730, 19104506250, 47683838320, 635787430450, 1059638680670, 11924777944650, 39736963208630 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
See A056371 for an explanation of step shifts.
REFERENCES
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]
LINKS
FORMULA
Sum mu(d)*A056374(n/d) where d|n.
CROSSREFS
Sequence in context: A243869 A154638 A054889 * A369818 A036683 A054444
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 21:56 EDT 2024. Contains 371254 sequences. (Running on oeis4.)