38999

Appears in sequences

• Smallest number beginning with n and having a digit sum n.at n=37A077726
• G.f. satisfies: A(x) = x + A(x^2 + A(x^3 + A(x^4 + A(x^5 +...)))).at n=18A228835
• Euler elliptic Carmichael numbers for the elliptic curve y^2 = x^3 + 80.at n=17A290338
• Elliptic Carmichael numbers for the elliptic curve y^2 = x^3 + 80.at n=30A317174
• a(n) is the least k for which x(k) > Sum_{j=1..k} 1/j, where x(k) is the Newton iterate (starting from x(1)=1) for exp(-P(n,x)) and P(n,x) is the n-th Maclaurin polynomial for exp(x).at n=10A348126