I don't think this is the case. At least, the smallest block count I saw was 532.
Someone needs to verify the blockchain.
The thread already did;
BitcoinMiner:
proof-of-work found
hash: 000000be3e5210d1d5119ba86fdda33d1d2cf7510a56b9dd75d80f375a7c004f
target: 000000ffff000000000000000000000000000000000000000000000000000000
CBlock(hash=db60713d08da1541cee6, PoW=000000be3e5210d1d511, ver=1, hashPrevBlock=29ea7a52650b27963943, hashMerkleRoot=73044f8d15, nTime=1364958696, nBits=1e00ffff, nNonce=181536064, vtx=1)
CTransaction(hash=73044f8d15, ver=1, vin.size=1, vout.size=1, nLockTime=0)
CTxIn(COutPoint(0000000000, -1), coinbase 04e89d5b510101062f503253482f)
CTxOut(nValue=50.00000000, scriptPubKey=033dacce7ae6c3ecff6ce51c4b84c9)
vMerkleTree: 73044f8d15
generated 50.00
keypool keep 4
AddToWallet 73044f8d15 new
connection timeout
SetBestChain: new best=db60713d08da1541cee6 height=2921 work=5423317824 date=04/03/13 03:11:36
ProcessBlock: ACCEPTED
If that's not a clear indication of a premine I don't know what is