196029
domain: N
Appears in sequences
- a(n) = floor((x^n - (1-x)^n) / (2x-1) +.5) where x = (sqrt(6)+1)/2 (and hence 2x-1 = sqrt(6)).at n=23A136424
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (1, -1, 0), (1, 0, -1), (1, 1, 0)}.at n=10A149284
- Number of integers in n-th generation of tree T(2^(-1/2)) defined in Comments.at n=42A274156