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A152409
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Column 2 of triangle A152406; also, column 0 of matrix cube of A152406.
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4
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1, 3, 18, 150, 1546, 18642, 254690, 3861782, 64059002, 1150296082, 22180511810, 456345207854, 9966036502994, 230031203755906, 5591166290510722, 142661974171422254, 3810825154126609202, 106314217107440685858
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OFFSET
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0,2
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COMMENTS
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Matrix powers of triangle T=A152406 satisfy:
column k of T^(j+1) = column j of T^(k+1) for all j>=0, k>=0.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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