1,2
A023887.
Sequence in context: A021376 A093888 A136702 this_sequence A003610 A077477 A095879
Adjacent sequences: A064162 A064163 A064164 this_sequence A064166 A064167 A064168
nonn
Labos E. (labos(AT)ana.sote.hu), Sep 19 2001
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