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#78 by R. J. Mathar at Fri Mar 30 19:50:30 EDT 2018
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#77 by R. J. Mathar at Fri Mar 30 19:33:04 EDT 2018
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#76 by R. J. Mathar at Fri Mar 30 19:33:00 EDT 2018
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#75 by N. J. A. Sloane at Thu Mar 29 06:56:32 EDT 2018
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#74 by R. J. Mathar at Thu Mar 29 06:54:14 EDT 2018
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#73 by R. J. Mathar at Thu Mar 29 05:47:11 EDT 2018
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| COMMENTS
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Equals A00217A000217 (1, 3, 6, 10, 15, ...) convolved with A193356 (1, 0, 3, 0, 5, ...). - Gary W. Adamson, Feb 16 2009
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#72 by R. J. Mathar at Thu Mar 29 05:46:46 EDT 2018
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| COMMENTS
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Equals A00217 (1, 3, 6, 10, 15, ...) convolved with A193356 (1, 0, 3, 0, 5, ...). - Gary W. Adamson, Feb 16 2009
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| FORMULA
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G.f.: (1+x^2)/((1-x)^3*(1-x^2)^2) = (1+x^2)/((1-x)^5*(1+x)^2).
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| STATUS
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approved
editing
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#71 by N. J. A. Sloane at Tue Mar 27 21:14:52 EDT 2018
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#70 by Michael De Vlieger at Tue Mar 27 20:32:27 EDT 2018
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#69 by Michael De Vlieger at Tue Mar 27 20:32:25 EDT 2018
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| LINKS
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Johann Cigler, <a href="https://arxiv.org/abs/1711.03340">Some remarks on Rogers-Szegö polynomials and Losanitsch's triangle</a>, arXiv:1711.03340 [math.CO], 2017.
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| STATUS
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approved
editing
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