43571

Appears in sequences

• a(n) = 1 + 2 * least i such that A103507(i)=n+1, 0 if no such i exists.at n=37A103508
• a(n) = n*(n+1)*(7*n+2)/6.at n=33A255211
• Number of ways to select 4 numbers from the set of the first n natural numbers avoiding 3-term arithmetic progressions.at n=31A300760
• Numbers that are the sum of six fourth powers in six or more ways.at n=4A345563
• Numbers that are the sum of six fourth powers in exactly six ways.at n=3A345818