83685
domain: N
Appears in sequences
- Expansion of g.f. 1/((1-3*x)*(1-5*x)*(1-7*x)).at n=5A017389
- Number of 1's in n-th "Kolakoski" string defined in A054349.at n=28A111124
- Number of (w,x,y,z) with all terms in {1,...,n} and w < (geometric mean of x,y,z).at n=21A212141
- Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 902", based on the 5-celled von Neumann neighborhood.at n=16A284357
- Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=8A302821