-7000

Appears in sequences

• Denominator of polynomial a[1]=1, a[2]->1+1/(x*a[1]), a[3]->1+1/(2*x*a[2]), a[4]->1+1/(3*x*a[3]),.. giving 1,(1+x)/x,(3+2*x)/(2*(1+x)),(2+11*x+6*x^2)/(3*x*(3+2*x)), .. at x-> -1. Absolute values are equal to A067078(n)/n.at n=8A130045
• Signed Delannoy triangle convolved with 10^n.at n=11A178870
• Irregular triangle read by rows: mean version of Girard-Waring formula A210258, for m = 5 data values.at n=35A288207
• Expansion of Product_{k>=0} (1 - x^(2^k))^(2^(k+1)).at n=35A321336