0,2
P. A. B. Pleasants, M. Baake, J. Roth, Planar coincidences for N-fold symmetry J. Math. Phys. 37 (1996) 1029-1058.
Sequence in context: A029562 A095746 A135846 * A135847 A106762 A158277
Adjacent sequences: A035206 A035207 A035208 * A035210 A035211 A035212
nonn,easy,more
N. J. A. Sloane (njas(AT)research.att.com).