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Search: id:A133822
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| A133822 |
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E.g.f. satisfies: A(x) = x*(sinh(tan(A(x)))+1). |
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+0
1
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| 0, 1, 2, 6, 36, 360, 4542, 68544, 1226344, 25409664, 596628250, 15651680000, 453879958092, 14417575231488, 497825878940054, 18565202648401920, 743653004987969360, 31843195958676979712, 1451524546915205994162
(list; graph; listen)
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OFFSET
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0,3
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MAPLE
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A:= proc(n) option remember; if n=0 then 0 else convert (series (x* (sinh (tan(A(n-1)))+1), x=0, n+1), polynom) fi end: a:= n-> coeff (A(n), x, n)*n!: seq (a(n), n=0..23);
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CROSSREFS
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Sequence in context: A007657 A055541 A061302 this_sequence A133892 A089709 A055512
Adjacent sequences: A133819 A133820 A133821 this_sequence A133823 A133824 A133825
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KEYWORD
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nonn
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AUTHOR
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Alois P. Heinz (heinz(AT)hs-heilbronn.de), Aug 27 2008
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