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Number:
9977
Author:
E. Lampe
Issue:
ET Vol 42, Feb 1889
Tags:
Combinatorics
Solved by:
J.J. Barniville, MQ Vol 52
Solved by:
J.J. Barniville, MQ Vol 57
Solved by:
J.H.D. Dickson, MQ Vol 52
Solved by:
E. Lampe, MQ Vol 52