1,4

Turning over will not create a new bracelet.

M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia.

A032275(n)-4*A027671(n)+6*A000029(n)-4.

Cf. A056284.

Sequence in context: A001089 A069515 A056350 this_sequence A125651 A043017 A003443

Adjacent sequences: A056341 A056342 A056343 this_sequence A056345 A056346 A056347

nonn

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