1,1
Sequence in context: A118549 A067469 A000852 this_sequence A129730 A053701 A029615
Adjacent sequences: A000870 A000871 A000872 this_sequence A000874 A000875 A000876
word,nonn
N. J. A. Sloane (njas(AT)research.att.com).
Corrected by Sam Alexander (pink2001x(AT)hotmail.com)
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