Multicanonical chain growth

The first and all following iterations are multicanonical chain-growth runs and proceed along similar lines as described above, with some modifications. The prediction for the new weight follows again (4,149), but the importances (4,150) are in the ith iteration introduced as... 

The determination of the contact density gn ns follows similar lines as the multicanonical chain-growth method for the estimation of the density of states. In fact, the only change in the algorithm described in Section 4.11 is that the multicanonical chain-growth weights, defined in Eq. (4.161), are replaced by... 

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