-1161

Appears in sequences

• Product_{k>=1} (1 + x^k)^a(k) = 1 + 2x.at n=13A038067
• a(n+4) = a(n+1) - a(n), a(0) = 1, a(1) = -4, a(2) = 0, a(3) = 1.at n=41A110064
• Expansion of (1-5x^2-7x^3-2x^4+x^6)/((1-x)(1-x^3)^2).at n=41A141365
• Values of n such that L(11) and N(11) 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=26A227449
• Second bisection of the inverse binomial transform of the rational sequence with e.g.f. (x/2)*(exp(-x)+1)/(exp(x)-1).at n=4A228767
• Expansion of Product_{k>=0} (1-x^(3*k+1))^(3*k+1).at n=24A285050
• Expansion of 1/(Sum_{k>=0} x^(k^3))^3.at n=25A363777
• G.f. A(x) satisfies A(x^2)^3/A(x^4)^3 = 1 + (A(x)/A(x^4) - 1)^2.at n=33A376229