1,5

A string and its reverse are considered to be equivalent.

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

A032122(n)-5*A032121(n)+10*A032120(n)-10*A005418(n+1)+5.

Cf. A032122.

Adjacent sequences: A056309 A056310 A056311 this_sequence A056313 A056314 A056315

Sequence in context: A008357 A138898 A056321 this_sequence A056352 A056346 A105252

nonn

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