93169

Properties

Appears in sequences

• Number of different sets ("cut sets") of triangles a regular (n+2)-gon can be dissected into; two triangulations of an (n+2)-gon are equal if all numbers of congruent triangles coincide.at n=20A033961
• Primes that do not divide any term of the Lucas 5-step sequence A074048.at n=27A106301
• Primes of the form x^2 + 17*y^2, where x and y=x+1 are consecutive natural numbers.at n=13A176622
• Least positive integer k such that both k and k*n belong to the set {m>0: 2*prime(prime(m))+1 = prime(p) for some prime p}.at n=40A261362
• Balanced primes of order fourteen.at n=18A300365
• Numbers that are both prime-indexed primes and lucky-indexed lucky numbers.at n=30A307008
• Prime numbersat n=8999