38750

Appears in sequences

• Number of reversible strings with n beads of 5 colors. If more than 1 bead, not palindromic.at n=6A032088
• Numbers n such that n | 5^n + 4^n + 3^n.at n=34A057236
• Sums of the products of n consecutive pairs of numbers.at n=30A135036
• Number of orientable strings of length n using a maximum of k colors, array read by descending antidiagonals, T(n,k) for n >= 1 and k >= 1.at n=61A293500
• The same array as in A293500, but without the leading row and column of zeros. See that entry for more information.at n=39A309008
• Larger of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = psi(n) - n and psi(n) = A001615(n) is the Dedekind psi function.at n=18A323330
• Number of maximal subsets of {1..n} of which every subset has a different sum.at n=31A325865
• a(n) = sigma(n) * A276086(n), pointwise product of the sum of divisors function and the primorial base exp-function.at n=24A351252