0,2
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Lehmer, D. H. Some properties of circulants. J. Number Theory 5 (1973), 43-54.
Sequence in context: A133295 A055470 A156524 this_sequence A100956 A078241 A068103
Adjacent sequences: A003107 A003108 A003109 this_sequence A003111 A003112 A003113
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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