55500634

Appears in sequences

• Number of (s(0), s(1), ..., s(2n)) such that 0 < s(i) < 9 and |s(i) - s(i-1)| = 1 for i = 1,2,...,2n, s(0) = 3, s(2n) = 3.at n=15A094831
• Expansion of (1 - x^2)/(1 - 3*x^2 - x^3).at n=30A188048
• a(n) = 3*a(n-1) + 24*a(n-2) + a(n-3), with a(0)=a(1)=1, and a(2)=19.at n=10A217052