55868

Appears in sequences

• Numbers whose list of divisors includes each digit 1-9 equally often.at n=2A038564
• Number of n X n symmetric binary arrays with rows, considered as graycode numbers, in nondecreasing order, and no more than 2 ones in any row or column.at n=10A162057
• a(n) = floor(1/(zeta(4) - Sum_{h=1..n} 1/h^4)).at n=25A248230