517656

Appears in sequences

• Numerators of approximations to e.at n=40A006258
• Numerators of convergents to e.at n=14A007676
• a(3n) = a(3n-1) + a(3n-2), a(3n+1) = 2n*a(3n) + a(3n-1), a(3n+2) = a(3n+1) + a(3n).at n=16A113873
• Numerators of "Farey fraction" approximations to e.at n=42A119014
• Integers in the interval [e*k - 1/k, e*k + 1/k] for some k > 0 , where e = 2.71828... is Euler's number.at n=21A265741
• Arithmetic derivatives of the Motzkin numbers.at n=15A277455