205766
domain: N
Appears in sequences
- a(n) = a(n-1) + a(n-2) + 1, with a(0) = 0 and a(1) = 10.at n=22A022315
- Triangle T(n,m), [x*A(x)]^m=sum(n>=m T(n,m)*x^n), where A(x) satisfies x*A(x)^3= -(2*x*A(x)^2+sqrt(1-4*x*A(x)^2)-1)/(4*x*A(x)^2+sqrt(1-4*x*A(x)^2)-1).at n=22A188110
- Number of strings of length n defined on {0, 1, 2, 3} that contain one or no 1's, two or no 2's, three or no 3's and any number of 0's.at n=14A385407