0,2
Cf. A041632.
Sequence in context: A149031 A145928 A006535 * A034215 A193036 A083580
Adjacent sequences: A041630 A041631 A041632 * A041634 A041635 A041636
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).