37742

Appears in sequences

• a(1)=1, a(2)=2, a(3)=3; for n >= 3, a(n) is smallest number such that all a(i) for 1 <= i <= n are distinct, all a(i)+a(j) for 1 <= i < j <= n are distinct and all a(i)+a(j)+a(k) for 1 <= i < j < k <= n are distinct.at n=28A036241
• a(n) = sum of all divisors of all numbers k such that n^2 <= k < (n+1)^2.at n=21A168012
• Number of length n+4 0..2 arrays with every five consecutive terms having the maximum of some two terms equal to the minimum of the remaining three terms.at n=8A254692