2,2
H. Brocard and T. Lemoyne: Courbes geometriques remarquables (courbes speciales) Planes et Gauches. Tome I, Paris: Albert Blanchard, 1967 [First publ. 1919]; see p. 135.
Sequence in context: A016183 A016239 A001722 this_sequence A020528 A088924 A125475
Adjacent sequences: A060785 A060786 A060787 this_sequence A060789 A060790 A060791
nonn
Antreas P. Hatzipolakis (xpolakis(AT)otenet.gr), Apr 28 2001
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