-767

Appears in sequences

• Coefficients of modular function G_2(tau).at n=33A005760
• a(n) = a(n-1) - a(n-3) with a(1)=0, a(2)=0, a(3)=1.at n=59A050935
• Start with 1, add the next number if one gets a prime then add the next number else subtract the next...at n=41A074170
• Expansion of (1-x)/(1-x+2*x^2-x^3).at n=28A078019
• Table (read by rows) giving the coefficients of sum formulas of n-th Left factorials (A003422).at n=7A101752
• Expansion of g.f. -x/(1+x-x^3).at n=58A104769
• G.f.: (x - 1)/(x^5 - x^3 - x^2 - x - 1).at n=44A115412
• Expansion of psi(-q)/psi(-q^2) in powers of q where psi() is a Ramanujan theta function.at n=49A116498
• a(0)=-1, a(1)=0, a(2)=1, a(n) = a(n-1) - 2*a(n-2) + a(n-3).at n=30A141576
• Expansion of x*(1 - x^2)/(1 - x + 7*x^2 + x^3).at n=9A174792
• Values of n such that L(17) and N(17) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=7A227520
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 129", based on the 5-celled von Neumann neighborhood.at n=17A270220
• Imaginary parts of the recursive sequence a(n+2) = Sum_{k=0..n} binomial(n,k)*a(k)*a(n+1-k), with a(0)=1, a(1)=i.at n=8A289083
• G.f. A(x) satisfies: A(x) = 1 / (1 - x + x^3 * A(x)).at n=14A349047