Unfortunately, those IOTA are not recoverable. There are two issues here:
- By using your seed as an address, you have exposed your seed, meaning that all of your IOTAs are potentially compromised — I recommend transferring your IOTAs to a new seed ASAP!
- In order to spend the IOTAs sent to your seed-as-address, you must somehow guess the corresponding private key for that address. IOTA has been engineered to make this virtually impossible (otherwise, anybody could steal IOTAs from any address by guessing the private key).