1,13

Permuting the symbols will not change the structure.

M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2]

Table of n, a(n) for n=1..31.

A056480(n)-A056479(n).

Column 6 of A284826.

Cf. A056467.

Sequence in context: A048245 A246034 A220689 * A056475 A219913 A219401

Adjacent sequences: A056482 A056483 A056484 * A056486 A056487 A056488

nonn

Marks R. Nester

approved