68857

Appears in sequences

• Differences between two positive cubes in exactly 2 ways.at n=30A014440
• Difference between two positive cubes in more than one way.at n=32A034179
• Gaps of 2 in sequence A038593 (lower terms).at n=31A038643
• Semiprime terms in A136047.at n=16A136048
• Sum of two (possibly negative) coprime cubes in at least 2 ways, but not the sum of 2 noncoprime cubes.at n=30A293648
• a(n) = n! * [x^n] exp(n*x)/cos(x).at n=6A302584