42485
domain: N
Appears in sequences
- a(n) is the smallest m for which the decimal representation of 2^m contains n consecutive identical digits.at n=8A045875
- Exponent of least power of 2 having exactly n consecutive 9's in its decimal representation.at n=9A131543
- Least power of 2 to have at least n consecutive digits 'n' in its decimal expansion.at n=9A171252
- a(n) is the least value of k such that the decimal expansion of n^k contains nine consecutive identical digits.at n=0A217164
- Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 4 6 or 7.at n=9A252551
- Numbers that are both the sum of three consecutive primes and the sum of three consecutive squares.at n=5A388071