199987

Appears in sequences

• Numbers k equal to the number of 1's in the decimal digits of all numbers <= k.at n=8A014778
• Numbers k such that the number of times digit 'm' used for writing the decimal representation between 1 to k is equal to k for at least one value of m in the range m = 1 to 9.at n=8A216400
• Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=6A317567
• Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=2A317571
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=38A317572
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=42A317572
• Base-ten n containing a digit making its n-th appearance in the list of consecutive positive integers.at n=7A339752