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URL: https://oeis.org/A056390

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A056390
Number of primitive (aperiodic) step shifted (decimated) sequences using exactly six different symbols.
1
0, 0, 0, 0, 0, 360, 2520, 48060, 317520, 4109040, 12923136, 238784940, 559279980, 7612394400, 37864711260, 246262998780, 787758864480, 13282478024760, 27723264985920, 387585094204260, 1595144664454200
OFFSET
1,6
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]
FORMULA
Sum mu(d)*A056380(n/d) where d|n.
CROSSREFS
Sequence in context: A206670 A236991 A205514 * A056380 A234555 A234550
KEYWORD
nonn
STATUS
approved