0,2

P. A. B. Pleasants, M. Baake and J. Roth, Planar coincidences for N-fold symmetry, J. Math. Phys. 37 (1996), no. 2, 1029-1058.

Sequence in context: A143850 A017077 A004768 this_sequence A056233 A126623 A109333

Adjacent sequences: A035195 A035196 A035197 this_sequence A035199 A035200 A035201

nonn,easy,more

N. J. A. Sloane (njas(AT)research.att.com).