127219

Properties

Appears in sequences

• Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k UUDU's starting at level 0.at n=30A135330
• Number of Dyck paths of semilength n with no UUDU's starting at level 0.at n=12A135336
• Prime numbers that have a decagonal (10 sides) Voronoi cell in the Voronoi diagram of the Ulam prime spiral.at n=26A257748
• Primes that become palindromic primes when the least significant digit is deleted.at n=37A277206
• Primes which are sums of a prime triple (p, p+4, p+6).at n=25A377406
• Prime numbersat n=11917