0,1
Cf. A041519.
Sequence in context: A007636 A151977 A022106 * A042195 A041520 A058542
Adjacent sequences: A041515 A041516 A041517 * A041519 A041520 A041521
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).