184653

Appears in sequences

• a(n) = Sum_{k=0..floor(n/8)} (-1)^k * binomial(n-4*k,4*k).at n=29A348309
• Triangle read by rows. T(n, k) = A356265(n, k) + A357078(n, k) for 0 <= k <= n.at n=60A357079