1,4

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.

A056373(n)-4*A056372(n)+6*A056371(n)-4.

Cf. A056373.

Sequence in context: A012707 A108096 A056388 this_sequence A076504 A044150 A044531

Adjacent sequences: A056375 A056376 A056377 this_sequence A056379 A056380 A056381

nonn

Marks R. Nester (nesterm(AT)dpi.qld.gov.au)