-1881

Appears in sequences

• Expansion of 1/((1-x)*(1+x+2*x^2-x^3)).at n=17A077911
• Triangle of coefficients, read by row polynomials P_n(y), that satisfy the g.f.: A096651(x,y) = Product_{n>=1} 1/(1-x^n)^[P_n(y)/n], with P_n(0)=0 for n>=1.at n=60A096800
• Sequence is {a(6,n)}, where a(m,n) is defined at sequence A110665.at n=11A110671
• Values of n such that L(9) and N(9) 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=23A226929