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A155443 Number of ways to place zero or more nonadjacent 2,1 3,0 3,1 4,2 4,3 4,4 5,2 6,2 polyhexes in any orientation on a planar nXnXn triangular grid. +0
1
1, 7, 19, 37, 61, 156, 946, 6587, 32063, 128930, 679319, 5663620, 64380331, 713842124, 7200710477, 81450733059, 1198927050536 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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