3,2

R. Bowen, The generation of minimal triangle graphs, Math. Comp. 21 (1967), 248-250.

3:ABC; 4:ABC,ABD; 5:ABC,ADE; ABC,ABD,ABE

Cf. A000080.

Sequence in context: A114298 A112839 A137674 this_sequence A097919 A160438 A054657

Adjacent sequences: A048778 A048779 A048780 this_sequence A048782 A048783 A048784

nonn,nice

Arlin Anderson (starship1(AT)gmail.com)