3,3

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

G. Brinkmann, Fast generation of cubic graphs, J. Graph Theory 23 (1996), no. 2, 139-149.

CRC Handbook of Combinatorial Designs, 1996, p. 648.

I. A. Faradzev, Constructive enumeration of combinatorial objects, pp. 131-135 of Probl\`{e}mes combinatoires et th\'{e}orie des graphes (Orsay, 9-13 Juillet 1976). Colloq. Internat. du C.N.R.S., No. 260, Centre Nat. Recherche Scient., Paris, 1978.

H. Gropp, On tactical configurations, regular bipartite graphs and (v,k,even)-designs, Discr. Math., 155 (1996), 81-98.

M. Meringer, Tables of Regular Graphs

Eric Weisstein's World of Mathematics, Bicubic Graph [From Eric W. Weisstein (eric(AT)weisstein.com), Jul 28 2009]

Cf. A006824, A008325.

A column of triangle A008326.

Sequence in context: A149859 A000800 A149860 this_sequence A151446 A022894 A149861

Adjacent sequences: A006820 A006821 A006822 this_sequence A006824 A006825 A006826

nonn,hard,nice

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