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A295227
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a(n) = sum_{k=0,...,[n/2]} s(n-k,k)^2, s = A048994, Stirling numbers of the first kind.
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0
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1, 0, 1, 1, 5, 45, 698, 16936, 594702, 28564021, 1799119626, 143863537330, 14236046853139, 1707698666758297, 244136528082097062, 41008147506862052681, 7995945735393199219626, 1791074412870104676689001, 456745672286592586379503743
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OFFSET
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0,5
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LINKS
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Edyta Hetmaniok, Barbara Smoleń, Roman Wituła, The Stirling triangles, Proceedings of the Symposium for Young Scientists in Technology, Engineering and Mathematics (SYSTEM 2017), Kaunas, Lithuania, April 28, 2017, p. 35-41.
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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