1073758277domain: NAppears in sequencesMultiplies by 4 and shifts right under the XOR BINOMIAL transform (A099898).at n=15A099899A bisection of the Stern-Jacobsthal numbers.at n=31A101625a(n) = Sum_{d|n} 4^(d-1).at n=15A339684a(n) = Sum_{d|n} 2^(sigma(d) - 1).at n=15A347991