240209

Properties

Appears in sequences

• a(0)=1, a(1)=1, a(n) = 17*a(n/2) for n=2,4,6,..., a(n) = 16*a((n-1)/2) + a((n+1)/2) for n=3,5,7,....at n=29A116523
• Primes p such that q-p = 48, where q is the next prime after p.at n=27A134123
• a(n) is the smallest prime p whose decimal expansion begins with n and is such that the next prime is p+2n, or -1 if no such prime exists.at n=23A308438
• Prime numbersat n=21242