80752

Appears in sequences

• a(n) = Sum_{k=0..floor(n/4)} C(n-2k,2k) * 2^(n-3k).at n=13A100132
• Hash Parker numbers: Integers whose real 32nd root's first six nonzero digits (after the decimal point) rearranged in ascending order are equal to 234477.at n=38A309979
• a(n) = Sum_{1 <= x_1 <= x_2 <= x_3 <= x_4 <= x_5 <= n} gcd(x_1, x_2, x_3 , x_4, x_5, n).at n=22A343519
• Positive integers that can be expressed in at least two ways as (x-y)*(x^3-y^3).at n=1A352244