33159

Appears in sequences

• Expansion of 1/((1-2x)(1-4x)(1-7x)(1-8x)).at n=4A025971
• Number of Catalan knight paths from (0,0) to (n,1) in the region between and on the lines y=0 and y=3. (See A096587 for the definition of Catalan knight.).at n=20A099329
• Sum of the numbers already removed (including the target number) in the first jump of a Sieve of Eratosthenes table.at n=37A179654
• 1/9 the number of (n+1) X 3 0..2 arrays with all 2 X 2 subblocks having the same four values.at n=13A184041
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 561", based on the 5-celled von Neumann neighborhood.at n=31A272937