4960000

Appears in sequences

• Scaled Chebyshev U-polynomials evaluated at sqrt(10)/2.at n=7A057086
• Riordan array (1/(1-10*x-10*x^2), x/(1-10*x-10*x^2)).at n=28A206819
• Numbers equal to the sum of their proper divisors d such that d mod 3 = 2.at n=2A272715