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A117185
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Riordan array ((1-x^2)/(1+x+2x^2+x^3+x^4),x/(1+x^2)).
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3
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1, -1, 1, -2, -1, 1, 3, -3, -1, 1, 1, 4, -4, -1, 1, -4, 4, 5, -5, -1, 1, 1, -8, 8, 6, -6, -1, 1, 3, -3, -13, 13, 7, -7, -1, 1, -2, 11, -11, -19, 19, 8, -8, -1, 1, -1, 1, 24, -24, -26, 26, 9, -9, -1, 1, 1, -12, 12, 43, -43, -34, 34, 10, -10, -1, 1
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OFFSET
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0,4
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COMMENTS
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LINKS
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EXAMPLE
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Triangle begins
1,
-1, 1,
-2, -1, 1,
3, -3, -1, 1,
1, 4, -4, -1, 1,
-4, 4, 5, -5, -1, 1,
1, -8, 8, 6, -6, -1, 1,
3, -3, -13, 13, 7, -7, -1, 1
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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