1,2
Cf. A081994, A081996, A081997.
Sequence in context: A164787 A131205 A058682 * A053599 A136851 A155339
Adjacent sequences: A081992 A081993 A081994 * A081996 A081997 A081998
nonn
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 05 2003
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 29 2003