0,2
Cf. A007294, A073470, A073472.
Adjacent sequences: A073468 A073469 A073470 this_sequence A073472 A073473 A073474
Sequence in context: A011911 A078346 A122051 this_sequence A117649 A028291 A067997
nonn
Randall L. Rathbun, Aug 26 2002
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