86958

Appears in sequences

• Fibonacci sequence beginning 3, 11.at n=20A022123
• Number of ways to place 5 nonattacking nightriders on a 5 X n board.at n=7A172220
• a(0) = 1; a(n) = Sum_{k=0..floor(n/3)} binomial(n-2*k,k) * a(k).at n=27A352039
• G.f. A(x) satisfies A(x) = 1 / ((1 + x) * (1 - x * (1 + x) * A(x^2))).at n=20A367716
• Indices where the cumulative sum of sin(2k+1)^(2k+1) reaches a record low value.at n=36A387730