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Search: id:A122592
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| A122592 |
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a(n) = 2*a(n - 1) - a(n - 2) + (a(n - 2) - a(n - 1))^2 + (a(n - 2) - a(n - 3))^2 |
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+0
1
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| 1, 1, 1, 0, 2, 4, 4, 2, 6, 18, 144, 15882, 247684656, 61339821614663208, 3762573685332838515711641628032454, 14156960737559137644661747812427568488753428461913274274176986277422
(list; graph; listen)
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OFFSET
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1,5
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MATHEMATICA
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a[0] = 1; a[1] = 1; a[2] = 1; a[n_] := a[n] = a[n - 1] - 2*a[n - 1] + a[n - 3] + (a[n - 2] - a[n - 1])^2 + (a[n - 2] - a[n - 3])^2; Table[a[n], {n, 0, 17}]
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CROSSREFS
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Sequence in context: A126123 A096832 A016588 this_sequence A099264 A011172 A008777
Adjacent sequences: A122589 A122590 A122591 this_sequence A122593 A122594 A122595
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KEYWORD
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nonn
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AUTHOR
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Roger Bagula (rlbagulatftn(AT)yahoo.com), Sep 19 2006
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EXTENSIONS
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Edited by njas, Sep 21 2006
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