75724

Appears in sequences

• a(n) = 5^n - n^4.at n=7A024053
• Monotonic ordering of nonnegative differences 5^i-7^j, for 40>= i>=0, j>=0.at n=22A192195
• Number of 5 X n nonconsecutive chess tableaux.at n=8A214461
• G.f.: 1/(1 - x^2/(1 - x^3/(1 - x^5/(1 - x^7/(1 - x^11/(1 - ... - x^prime(k)/(1 - ... ))))))), a continued fraction.at n=40A285407
• Number of double palindrome structures of length n using exactly four different symbols.at n=15A328690