七格骨牌




七格骨牌(Heptomino),又称七连块,是一种多格骨牌,每块以七个全等的正方形连成,反射或旋转视作同一种共有一百零八种。
单词 | Heptomino |
释义 |
Heptomino
中文百科
七格骨牌![]() ![]() ![]() ![]() 七格骨牌(Heptomino),又称七连块,是一种多格骨牌,每块以七个全等的正方形连成,反射或旋转视作同一种共有一百零八种。
英语百科
Heptomino 七格骨牌![]() ![]() ![]() ![]() A heptomino (or 7-omino) is a polyomino of order 7, that is, a polygon in the plane made of 7 equal-sized squares connected edge-to-edge. The name of this type of figure is formed with the prefix hept(a)-. When rotations and reflections are not considered to be distinct shapes, there are 108 different free heptominoes. When reflections are considered distinct, there are 196 one-sided heptominoes. When rotations are also considered distinct, there are 760 fixed heptominoes. |
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