85656080

Appears in sequences

• Expansion of 1/((1-9x)(1-11x)).at n=7A016190
• For n even a(n) = a(n-1) + 10*a(n-2), for n odd a(n) = a(n-3) + 10 a(n-2); with a(1) = 0, a(2) = 1.at n=16A161999