87839

Appears in sequences

• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 1, a(1) = 1, a(2) = 1, a(3) = -2.at n=31A295672
• a(n) = 2*a(n-1) + a(n-3), where a(0) = 3, a(1) = 1, a(2) = 2.at n=15A332491
• Expansion of (1/x) * Series_Reversion( x * (1 - x) / (1 + x / (1 - x)^3) ).at n=7A389435