0,2
J. Hietarinta and C.-M. Viallet, Discrete Painleve I and ..., Chaos, Solitons and Fractals 11, 2000, p. 29.
Cf. A064863.
Sequence in context: A037380 A186752 A030503 * A011907 A056133 A172131
Adjacent sequences: A084681 A084682 A084683 * A084685 A084686 A084687
nonn
N. J. A. Sloane (njas(AT)research.att.com), Jul 16 2003