1072071

Appears in sequences

• Odd abundant numbers not divisible by 5.at n=28A064001
• Numerators of even raw moments in the distribution of a triangle picked at random from points on the circumference of a unit circle.at n=6A093585
• a(n) = n^2*(1+n)*(1+n^2)/4.at n=20A328994
• a(n) is the least integer that can be expressed as the difference of two heptagonal numbers in exactly n ways.at n=15A334036