68200

Appears in sequences

• a(n) is least k such that k and 10k are anagrams in base n (written in base 10).at n=5A023102
• Fifth column of (1,5)-Pascal triangle A096940.at n=30A096942
• Sums of least knight's moves from (0,0) to points in the square lattice [-n,n]x[-n,n].at n=35A183047
• Number of 0..n arrays x(0..4) of 5 elements without any two consecutive increases.at n=8A200787
• Number of 2 X 2 matrices with all elements in {0,1,...,n} and odd determinant.at n=20A210370
• Number of 2 X 2 matrices having all terms in {-n,...,0,..,n} and odd determinant.at n=10A211155
• Numbers whose numerator and denominator of the harmonic mean of their divisors are both Fibonacci numbers.at n=20A348658
• Numbers whose numerator and denominator of their abundancy index are both Fibonacci numbers.at n=23A349687
• a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence.at n=39A351689