-1252

Appears in sequences

• Percolation series for directed square lattice.at n=9A006835
• Determinants of 3 X 3 matrices of discrete blocks of 9 consecutive primes.at n=8A117329
• Expansion of phi(q) * phi(q^9) / phi(q^3)^2 in powers of q where phi() is a Ramanujan theta function.at n=27A233673
• Expansion of chi(-q) * chi(q^9) / (chi(q) * chi(-q^9)) in powers of q where chi() is a Ramanujan theta function.at n=27A260215
• Expansion of (phi(q^3) / phi(q))^2 in powers of q where phi() is a Ramanujan theta function.at n=9A261320
• Expansion of (phi(q) / phi(q^3))^2 in powers of q where phi() is a Ramanujan theta function.at n=27A261321
• Expansion of f(-x^2, -x^4)^2 / (f(x^3, -x^6) * f(-x, x^2)) in powers of x where f(,) is Ramanujan's general theta function.at n=27A261326
• Expansion of (psi(-q) / f(q^3))^2 in powers of q where psi(), f() are Ramanujan theta functions.at n=27A262930
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 121", based on the 5-celled von Neumann neighborhood.at n=21A270209
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 155", based on the 5-celled von Neumann neighborhood.at n=21A270328
• G.f.: 1 + 1^2*x/(1 + 2^2*x/(1 + 3^2*x/(1 + 4^2*x/(1 + 5^2*x/(1 + ...))))).at n=4A343429