8,2

G. Ringel, Wie man die geschlossenen nichtorientierbaren Flaechen in moeglichst wenig Dreiecke zerlegen kann, Math. Ann. 130 (1955), 317-326.

Thom Sulanke, Generating triangulations of surfaces (surftri), (also subpages).

Sequence in context: A062585 A002490 A160224 this_sequence A011541 A080642 A108331

Adjacent sequences: A129058 A129059 A129060 this_sequence A129062 A129063 A129064

nonn

N. J. A. Sloane (njas(AT)research.att.com), May 13 2007