1,1
A001223, A033451, A047948, A052197.
Sequence in context: A083623 A157761 A146544 this_sequence A053077 A164987 A017405
Adjacent sequences: A052195 A052196 A052197 this_sequence A052199 A052200 A052201
nonn
Labos E. (labos(AT)ana.sote.hu), Jan 28 2000
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