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107 (another Prime Pages' Curiosity) |
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Single Curio View: (Seek other curios for this number) There are exactly 107 hole-free heptominoes (polyominoes made up of seven squares connected edge-to-edge). [Beedassy]
Submitted: 2006-07-26 17:24:47; Last Modified: 2009-03-12 14:17:08.
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