0,2
Cf. A041552.
Sequence in context: A006493 A037375 A159582 * A047190 A033043 A037411
Adjacent sequences: A041550 A041551 A041552 * A041554 A041555 A041556
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).