1006632959domain: NAppears in sequencesa(n) = T(2, n), where T is the array given by A047858.at n=26A047859a(n) is the smallest positive integer m with exactly n ones in its binary representation and with n represented in binary as a substring of the binary representation of m.at n=28A147760a(n) = 15*2^n - 1.at n=26A196305