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Search: id:A121871
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| A121871 |
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Triangle read by rows: see DeTemple et al. reference for definition. |
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+0
2
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| 1, 2, -2, 11, -12, 2, 52, -70, 20, -2, 269, -392, 150, -28, 2, 1414, -2186, 1000, -262, 36, -2
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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D. DeTemple and M. Hudelson, Square-banded polygons and affine regularity, Amer. Math. Monthly, 108 (No. 2, 2001), 100-114.
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EXAMPLE
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Triangle begins:
1
2 -2
11 -12 2
52 -70 20 -2
269 -392 150 -28 2
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CROSSREFS
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Leading diagonal is A026933.
Adjacent sequences: A121868 A121869 A121870 this_sequence A121872 A121873 A121874
Sequence in context: A037234 A090525 A126806 this_sequence A090527 A014220 A089544
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KEYWORD
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sign
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AUTHOR
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njas, Sep 05 2006
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