1,1
Cf. A081957, A081958, A081959.
Sequence in context: A053290 A056989 A090770 this_sequence A123742 A098694 A137592
Adjacent sequences: A081957 A081958 A081959 this_sequence A081961 A081962 A081963
nonn
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 02 2003
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 08 2003
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