-1090

Appears in sequences

• (1/18)*Difference between concatenation of n and n^2 and concatenation of n^2 and n.at n=19A055435
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 6.at n=37A060025
• Expansion of 1/(1 + 2*x - 2*x^2 + x^3).at n=7A077983
• a(n) = Sum_{k=1..n} (-1)^isprime(k)*10^k.at n=2A243106
• Expansion of Product_{k>0} ((1-x^{5k-2}) * (1-x^{5k-3})/((1-x^{5k-1}) * (1-x^{5k-4})))^2 in powers of x.at n=49A285442
• G.f. A(x) satisfies A(x) = 1 + x*A(x)^3 / (1 + x*A(x)^3).at n=8A364864