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A295225
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Sum of antidiagonals of triangle of 2-Stirling numbers of the first kind.
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0
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0, 0, 1, 2, 7, 29, 147, 883, 6156, 48942, 437404, 4343041, 47444364, 565601104, 7307463941, 101713884677, 1517483769898, 24157610375637, 408751073418742, 7325240566502843, 138608292368966173, 2761503816421313729, 57782245813372891911, 1266895493728240876072
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OFFSET
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2,4
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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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FORMULA
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a(n) = Sum_{k=0..[n/2]} A143491(n-k,k).
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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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