49997

Appears in sequences

• a(n) = smallest k such that 4k has a digit sum = n.at n=43A077490
• a(n) = A131766(n) / 18.at n=26A131871
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 7 and 9.at n=33A136907
• Minimum number k for which the digital sum of k*n is 11*n.at n=4A147831
• a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n^3 + n^2 + n + 1.at n=36A227015
• Numbers k in base 10 such that the digits of 2 + k are the digits of 2k written in reverse order.at n=4A276509
• Numbers j such that there exists a number i <= j with the property that i+j and i*j have the same decimal digits in reverse order.at n=6A360518