34794

Appears in sequences

• The first of four consecutive positive integers the sum of the squares of which is equal to the sum of the squares of twenty-one consecutive positive integers.at n=6A261995
• a(n) = Sum_{k=0..n} (-1)^(k+1) * k * A000041(n-k).at n=48A270143
• Expansion of Product_{k>=1} (1 + k*x^k/(1 - x)^k).at n=11A307262