-2092

Appears in sequences

• Exponents in expansion of constant A065480 as a product zeta(n)^(-a(n)).at n=14A065492
• a(n)=floor(b(n)), where b(0)=1, b(n)=b(n-1)^2-n^b(n-1).at n=6A153063
• a(n) = P_n(-1), where P_n(x) is a certain polynomial arising in the enumeration of tatami mat coverings.at n=13A226302
• Coefficients of the minimal polynomials of the algebraic numbers sqLhat(2*l) from A230072, l >= 1, related to the square of all length in a regular (2*l)-gon inscribed in a circle of radius 1 length unit.at n=26A230073
• Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=13A232358
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 251", based on the 5-celled von Neumann neighborhood.at n=31A271019