0,2

C. F. Earl and L. J. March, Architectural applications of graph theory, pp. 327-355 of R. J. Wilson and L. W. Beineke, editors, Applications of Graph Theory. Academic Press, NY, 1979.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Sequence in context: A148136 A148137 A148138 this_sequence A148139 A061860 A093960

Adjacent sequences: A005500 A005501 A005502 this_sequence A005504 A005505 A005506

nonn

N. J. A. Sloane (njas(AT)research.att.com).