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See A056371 for an explanation of step shifts.
M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia.
Table of n, a(n) for n=1..21.
Sequence in context: A236991 A205514 A056390 * A234555 A234550 A024185
Adjacent sequences: A056377 A056378 A056379 * A056381 A056382 A056383
Marks R. Nester (nesterm(AT)dpi.qld.gov.au)