18197

Appears in sequences

• Numbers whose square in base 2 is a palindrome.at n=5A003166
• Number of configurations of the sliding block 8-puzzle that require a minimum of n moves to be reached, starting with the empty square at mid-side.at n=24A089483
• Round(1000*x), where x is the solution to x = 5^(n-x).at n=20A104744
• Odd numbers producing 4 odd numbers in the Collatz iteration.at n=28A198587
• Odd numbers whose square's binary reversal is also a square.at n=4A229766
• Number of (n+1) X (6+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.at n=15A253395
• Number of length 3 1..(n+1) arrays with every leading partial sum divisible by 2, 3, 5, 7 or 11.at n=32A254950
• Numbers k >= 0 such that the interval [A000217(k), A000217(k + 1)] contains at least one Fibonacci number (A000045).at n=40A388653
• Numbers k whose binary expansion contains 2 adjacent 1's and A391571(k) = k.at n=38A391581