864339

Appears in sequences

• Number of compositions of 5*n-2 into parts 4 and 5.at n=19A369850
• a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) - a(n-4) + a(n-5) with a(1) = a(2) = a(3) = 0, a(4) = 1, and a(5) = 3.at n=25A385142
• a(n) = Sum_{k=0..floor(n/2)} binomial(k,2*(n-2*k)).at n=49A392250