49788

Appears in sequences

• Numbers k such that k and k^2 use only the digits 2, 4, 7, 8 and 9.at n=28A137107
• E.g.f. A(x) satisfies A(x) = exp( 3 * x * A(x)^(1/3) / (1 - x) ).at n=5A372159
• a(n) = floor(Sum_{k=n^3..(n+1)^3} k^(1/3)).at n=25A374384