387618

Appears in sequences

• Numbers n such that 1 - Sum{k=1..n/2} A001223(2k-1)*(-1)^k = 0.at n=36A130643
• Numbers n such that 1 + S(n) = 0, where S(n) = (S(n-1) + A000040(n))*(-1)^n; S(0)=0, n=>1.at n=32A131196
• Number of n X 3 0..1 arrays with every element unequal to 0, 1, 2, 3 or 7 king-move adjacent elements, with upper left element zero.at n=14A304770