700000

Appears in sequences

• Triangle of coefficients in expansion of (1+10x)^n.at n=40A013617
• Triangle of coefficients in expansion of (2+5x)^n.at n=40A013621
• Numbers of form 7^i*10^j, with i, j >= 0.at n=26A025632
• Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*2^j.at n=40A038244
• Numbers n such that sum of the digits of n is >= the sum of the digits of n^4.at n=22A064210
• Smallest multiple of n using only digits 0 and 7.at n=31A078246
• Multiples of 2 in which there is no common digit in successive terms.at n=42A083490
• Multiples of 4 in which there is no common digit in successive terms.at n=40A083492
• Multiples of 8 in which there is no common digit in successive terms.at n=35A083496
• Integers k such that k divides LS(k) or LS(k) divides k, where LS is the "Look and Say" function (A045918).at n=45A110744
• a(3n)=10^n. a(3n+1)=4*10^n. a(3n+2)=7*10^n.at n=17A135262
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 7 and 9.at n=52A136907
• Numbers k such that k and k^2 use only the digits 0, 3, 4, 7 and 9.at n=22A136934
• Numbers k such that k and k^2 use only the digits 0, 4, 5, 7 and 9.at n=20A136952
• Numbers k such that k and k^2 use only the digits 0, 4, 6, 7 and 9.at n=30A136955
• Numbers k such that k and k^2 use only the digits 0, 4, 7, 8 and 9.at n=42A136959
• Numbers k such that k and k^2 use only the digits 0, 4, 7 and 9.at n=16A136960
• Numbers n such that LS(n) divides n, where LS is the "Look and Say" function (A045918).at n=9A152957
• Integers that can be generated with a C/C++ expression that is three or more characters shorter than their decimal representation.at n=6A168652
• a(n) = 1, 7, A011557*(period 6: repeat 10, 13, 31, 49, 70, 97).at n=30A178508