90553

Appears in sequences

• Number of connected trivalent graphs with 2n nodes and girth exactly 5.at n=11A006925
• a(n) = least k such that the remainder when 24^k is divided by k is n.at n=42A128364
• Number of n X n binary arrays, symmetric under horizontal reflection, with every 1 adjacent to at least one other 1, but at most one 1 adjacent horizontally and at most one 1 adjacent vertically.at n=6A144053
• Irregular triangle C(n,g) counting connected trivalent simple graphs on 2n vertices with girth exactly g.at n=29A198303