236250

Appears in sequences

• a(n) = n*(n + 1)*(n^2 - 3*n + 5)/6.at n=35A006484
• 324n^2 + 2n.at n=26A158271
• a(n) = Product_{i=2..n} (tau(i)+1)/(tau(i)-1), where tau(.)=A000005(.).at n=16A181574
• Integer areas of the tangential triangles corresponding to the integer-sided triangles with integer areas.at n=8A230361
• Number of nonisomorphic proper colorings of partition star graph using six colors.at n=37A297570
• Least common multiple of n and A276086(n).at n=54A328584
• a(n) = Product_{d|n} A276086(d)^A010051(n/d).at n=65A329350