65800

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=39A011940
• Numbers whose base-16 representation has exactly 5 runs.at n=7A043678
• Number of base 32 n-digit numbers with adjacent digits differing by three or less.at n=5A126500
• Molecular topological index of the n-antiprism graph.at n=24A192791
• Number of 5-ascent sequences of length n that avoid the pattern 00.at n=9A261383
• Numbers n for which A019565(n) <= A087207(n) < n.at n=18A286612