275400

Appears in sequences

• Theta series of D*_18 lattice.at n=10A022071
• a(n) = floor(p/2) * floor(floor(p/2)/2) * floor(floor(floor(p/2)/2)/2) * ... * 1, where p=prime(n).at n=26A163467
• a(n) = (4/15)*n*(n - 1)*(n^3 - 9*n^2 + 26*n - 9).at n=18A319576
• Numbers with exactly four distinct exponents in their prime factorization, or four distinct parts in their prime signature.at n=22A323025
• Positions of records in A116488.at n=31A342869
• a(n) is the smallest number with exactly n divisors that are hoax numbers (A019506).at n=14A357034