461373440domain: NAppears in sequencesn*(n-1)*4^n.at n=11A128798G.f. A(x) satisfies A(x) = ( 1 + 16*x*(1 + A(x)) )^(1/4).at n=9A371988Total number of ones in runs of 1s of length <=2 over all binary strings of length n.at n=26A386270