76760

Appears in sequences

• Number of quaternary rooted identity (distinct subtrees) trees with n nodes.at n=17A116380
• Number of 7-step one space at a time bishop's tours on an n X n board summed over all starting positions.at n=13A187160
• a(n) = A351477(n) * FA where F is the Fermat point of a primitive integer-sided triangle ABC with A < B < C < 2*Pi/3 and FA + FB + FC = A336329(n).at n=21A351801