45192

Appears in sequences

• T(n,1) + T(n,2) + ... T(n,n), where T is the array in A026098.at n=39A026101
• Numbers n such that sigma(n) = product of the squares of the decimal digits of n.at n=4A068572
• Antidiagonal sums of square array A082011.at n=23A082014
• a(n) = Sum_{k=0..n} binomial(n,k) * gcd(n,k).at n=13A159553
• White to move: King, Knight and Bishop vs. King: Number of positions with mate in n.at n=5A274683
• a(n) is the number of Fibonacci meanders of length m*n and central angle 360/m degrees where m = 3.at n=9A361574