52055003

Appears in sequences

• a(n) = denominator of Product_{k=1..n} k^mu(n+1-k), where mu(k) = A008683(k).at n=28A130089
• Numerators of mass formula for vacuum graphs for a phi^6 field theory.at n=4A226256
• Highly composite 7-rough numbers: numbers that are not divisible by any prime smaller than 7 and whose number of divisors reaches a record.at n=16A343737