290871

Appears in sequences

• a(n) = Sum_{i=1..floor((n+1)/4)} a(2*i-1) * a(n-2*i+1), with a(1)=a(2)=1 and a(3)=7.at n=16A024733
• Numbers in A003325 whose 4th power is the sum of two positive cubes in a nontrivial way.at n=26A282872
• Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = 5.at n=8A380928