1196800

Appears in sequences

• a(n) = coefficient of x^n in the (2^n)-th iteration of x*C(x) where C(x) is the Catalan function (A000108), for n>=1.at n=4A158269
• Where the number of divisors d(k) reaches a new record for numbers k whose prime factors are of the form 3*j+2.at n=28A326312