165230

Appears in sequences

• a(0) = 1, then (for n>0) a(n) = floor[(e + 1/e)*a(n-1) - a(n-2)].at n=12A085560
• Number of n X 4 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.at n=18A296309