9162596898domain: NAppears in sequencesExpansion of 1/((1-x)*(1+2*x+x^2+2*x^3)).at n=34A077931Decimal form of the binary numbers 10, 100010, 1000100010, 10001000100010, 100010001000100010,...at n=8A098704Expansion of 1/((1+x)*(1-2*x)*(1+x^2)).at n=34A115451a(0)=0, a(n)=4a(n-1)+2 for n odd, a(n)=4a(n-1) for n even.at n=17A117616