201240

Appears in sequences

• Number of ways of folding a 3 X n strip of stamps.at n=5A001416
• Sum of n-th powers of divisors of 56.at n=3A034669
• a(0)=1, a(n) = sigma_3(2n).at n=28A091986
• a(n) = sigma_3(3n+2).at n=18A092343
• a(n) = n*(n + 11)*(n + 22)*(n + 33)/24.at n=32A264448
• Numbers n such that sigma(sigma(n))/sigma(n) > sigma(sigma(m))/sigma(m) for all m < n.at n=32A289124