189961

Properties

Appears in sequences

• G.f.: Sum_{n>=0} ( Product_{k=1..n} 1 + x*(1+x)^k ) / 2^(n+1).at n=9A338793
• For a line L in the plane, let C(L) denote the number of prime points [k, prime(k)] on L, and let M(L) denote the maximum prime(k) for any of these points; a(n) = minimum M(L) over all lines with C(L) = n, or -1 if there is no such line.at n=44A376187
• Prime numbersat n=17165