-1087

Appears in sequences

• Expansion of q * chi(-q) / chi(-q^5)^5 in powers of q where chi() is a Ramanujan theta function.at n=48A095813
• First column in inverse of Euler phi sequence matrix.at n=35A106479
• Expansion of f(q, q^3)^2 / (f(q, q^4) * f(q^2, q^3)) in powers of q where f(, ) is the Ramanujan general theta function.at n=49A138522
• Expansion of (1-5*x-x^2+x^3)/((1+x)*(1-x)^3).at n=32A141354
• a(n) = (-4*n^3 + 27*n^2 - 20*n + 3)/3.at n=12A161711
• a(n)=1-4*n-4*n^2.at n=16A184882
• a(n) = p(n) - p(n-1) - p(n-2) + p(n-5), where p(n) = A000041(n).at n=32A195054
• Expansion of f(-x, -x^5)^2 / f(x, x^3) in powers of x where f(, ) is Ramanujan's general theta function.at n=21A263041
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 65", based on the 5-celled von Neumann neighborhood.at n=17A270086
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 323", based on the 5-celled von Neumann neighborhood.at n=17A271256