225576

Appears in sequences

• Number of square plane partitions of n.at n=43A089299
• The number of simple labeled graphs on n nodes with no components of size 1 or 2.at n=6A182146
• Sixth partial sums of fifth powers (A000584).at n=6A254471
• a(n) = n*(n + 1)*(11*n^2 + 11*n - 10)/24.at n=26A264854
• Check the abundance of a number and iterate the test replacing at every step the sum of the divisors of the previous number. Sequence lists the least numbers whose abundances last n steps.at n=25A286659