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Search: id:A108623
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| A108623 |
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G.f. satisfies x = (A(x)-(A(x))^2)/(1-A(x)-(A(x))^2). |
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+0 3
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| 1, 0, -1, -1, 1, 4, 3, -8, -23, -10, 67, 153, 9, -586, -1081, 439, 5249, 7734, -7941, -47501, -53791, 105314, 430119, 343044, -1249799, -3866556, -1730017, 13996097, 34243897, 1947204, -150962373, -296101864, 121857185, 1582561870
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OFFSET
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1,6
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COMMENT
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Row sums of inverse of Riordan array (1/(1-x-x^2), x(1-x)/(1-x-x^2)) (Cf. A053538). - Paul Barry (pbarry(AT)wit.ie), Nov 01 2006
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FORMULA
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Binomial transform of A105523. - Paul Barry (pbarry(AT)wit.ie), Nov 01 2006
G.f.: (1+x-sqrt(1-2x+5x^2))/(2x(1-x)); - Paul Barry (pbarry(AT)wit.ie), Nov 01 2006
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CROSSREFS
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Cf. A039978. Except for signs, same as A108624.
Sequence in context: A165739 A137503 A108624 this_sequence A159550 A155536 A095303
Adjacent sequences: A108620 A108621 A108622 this_sequence A108624 A108625 A108626
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KEYWORD
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sign
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AUTHOR
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Christian G. Bower (bowerc(AT)usa.net), Jun 12 2005
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