0,2
Cf. A041190.
Sequence in context: A128223 A111244 A022120 * A041251 A042435 A042591
Adjacent sequences: A041188 A041189 A041190 * A041192 A041193 A041194
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).