-891

Appears in sequences

• Expansion of (1-x)/(1+2*x+x^2-2*x^3).at n=14A078063
• a(n) = Sum_{k=0..n} A105595(k)*(-1)^k*A105595(n-k) (interpolated zeros suppressed).at n=48A105596
• Composition of Catalan and Fibonacci numbers.at n=30A189675
• a(n) = p(n) - p(n-1) - p(n-2) + p(n-5), where p(n) = A000041(n).at n=31A195054
• Expansion of eta(q)^5 * eta(q^3) * eta(q^6)^4 / eta(q^2)^4 in powers of q.at n=35A214262
• a(n) = - 6*a(n-1) - 9*a(n-2) - 3*a(n-3) with a(0)=3, a(1)=-6, a(2)=18.at n=5A215634
• Riordan array ((1-x)/(1-3*x+3*x^2), x/(1-3*x+3*x^2)).at n=46A236311
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 205", based on the 5-celled von Neumann neighborhood.at n=17A270732
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 209", based on the 5-celled von Neumann neighborhood.at n=25A270894