9699328

Appears in sequences

• Expansion of g.f. (1+2*x)/(1-2*x)^2.at n=18A014480
• Inverse binomial transform of n*Pell(n).at n=37A093968
• a(n) = 2^(n-1)*A047240(n).at n=19A128205
• a(n) = n*2^(floor(n/2)).at n=37A132344
• Expansion of (1-8x-8x^3)/(1-2x+4x^2)^2.at n=18A151912
• Binomial transform of A008805 (triangular numbers with repeats).at n=19A158920
• a(0) = 9, a(n) = 2*a(n-1) + 2^(n-1) for n > 0.at n=19A159697
• Numbers with 38 divisors.at n=10A175747
• (n-1)-st elementary symmetric function of the first n terms of (2,2,1,2,2,1,2,2,1,...)=(A130196 for n>0).at n=27A203167