1,4

Turning over will not create a new bracelet. Permuting the colors of the beads will not change the structure. Identical to A000046 for n>1.

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

A000046(n)-A000007(n-1).

Cf. A056303.

Sequence in context: A082931 A034413 A034416 this_sequence A000046 A131132 A004692

Adjacent sequences: A056363 A056364 A056365 this_sequence A056367 A056368 A056369

nonn

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