287298

Appears in sequences

• a(n) = 8*a(n-1) + a(n-2), starting with a(0)=2 and a(1)=8.at n=6A086594
• Number of nX2 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly three mistakes.at n=9A278849
• Number of corona for a hexagon of edge n with diamonds of side 1.at n=7A380346