81197

Properties

Appears in sequences

• Number of n X 1 0..2 arrays with every element value z a city block distance of exactly z from another element value z.at n=15A209469
• Lesser of twin primes p,p+2 such that the absolute difference of p and the reverse of p+2 is a twin prime and the absolute difference of p+2 and the reverse of p is a twin prime.at n=10A342299
• The lesser of the 2^n-th twin prime pair (A001359).at n=10A356256
• Prime numbersat n=7947