6591796875

Appears in sequences

• a(n) = Sum_{k=0..n} (k+1) * T(n,k), with T given by A026374.at n=25A026950
• a(n) = Sum_{k=0..n} (k+1) * T(n,k), with T given by A026386.at n=25A026955
• Cubes such that cube-+2 are primes.at n=13A154709
• Rolling icosahedron face footprints: number of 7Xn 0..19 arrays starting with 0 where 0..19 label faces of an icosahedron and every array movement to a horizontal or antidiagonal neighbor moves across an icosahedral edge.at n=3A223485