231299

Properties

Appears in sequences

• The n-th Chebyshev primes that are equal to the 2n-th primes.at n=1A196675
• On a spirally numbered square grid, with labels starting at 1, this is the number of the last cell that a (1,n) leaper reaches before getting trapped, or -1 if it never gets trapped.at n=20A323471
• Prime numbersat n=20542