119999

Appears in sequences

• a(n) is the smallest number k such that the letter "N" appears n times when k is written in English.at n=12A060227
• a(n) = smallest k such that 5k has a digit sum = n.at n=45A077492
• Minimum number k for which the digital sum of k*n is 2*n.at n=25A147822
• Expansion of x*(1 + 2*x*(5 - 4*x)*(1 + x^2)*(1 + x^4))/((1 - x)*(1 - 10*x^9)).at n=38A302556