1987154

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) = 1, s(2n) = 5.at n=11A094828
• Expansion of (x^2)/[(1-x)*(1-3*x^2-x^3)].at n=25A188021