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Search: id:A115332
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| A115332 |
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E.g.f: exp(x/(1-5*x))/sqrt(1-25*x^2). |
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+0
2
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| 1, 1, 36, 256, 11236, 181476, 9461776, 251412736, 15256202256, 574194155536, 39891552832576, 1953973812658176, 153336819846991936, 9264773325882888256, 812060124489852846336, 58352827798669641650176
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OFFSET
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0,3
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COMMENT
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Term-by-term square of sequence with e.g.f.: exp(x+m/2*x^2) is given by e.g.f.: exp(x/(1-m*x))/sqrt(1-m^2*x^2) for all m.
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FORMULA
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Equals term-by-term square of A115331 which has e.g.f.: exp(x+5/2*x^2).
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PROGRAM
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(PARI) a(n)=local(m=5); n!*polcoeff(exp(x/(1-m*x+x*O(x^n)))/sqrt(1-m^2*x^2+x*O(x^n)), n)
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CROSSREFS
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Cf. A115331.
Sequence in context: A074363 A030165 A017342 this_sequence A133072 A115223 A135181
Adjacent sequences: A115329 A115330 A115331 this_sequence A115333 A115334 A115335
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KEYWORD
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nonn
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AUTHOR
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Paul D. Hanna (pauldhanna(AT)juno.com), Jan 20 2006
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