0,2
First differences of A016292.
Sequence in context: A016311 A140961 A016306 this_sequence A016981 A158009 A158005
Adjacent sequences: A021089 A021090 A021091 this_sequence A021093 A021094 A021095
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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