12,5
M. Meringer, Tables of Regular Graphs
Cf. A014371, A033886, A058275.
Sequence in context: A073782 A156033 A038296 this_sequence A085678 A086819 A019885
Adjacent sequences: A058273 A058274 A058275 this_sequence A058277 A058278 A058279
nonn,hard
N. J. A. Sloane (njas(AT)research.att.com), Dec 17 2000
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