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A074932
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Row sums of unsigned triangle A075513.
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1
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1, 3, 18, 170, 2200, 36232, 725200, 17095248, 463936896, 14246942336, 488428297984, 18491942300416, 766293946203136, 34498781924766720, 1676731077272217600, 87501958444207351808, 4880017252828686155776
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Torleiv Klove, Spheres of Permutations under the Infinity Norm - Permutations with limited displacement. Reports in Informatics, Department of Informatics, University of Bergen, Norway, no. 376, November 2008.
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FORMULA
| a(n)=sum(|A075513(n, m)|, m=0..n-1) = sum(binomial(n-1, m)*(m+1)^(n-1), m=0..n-1), n>=1.
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CROSSREFS
| Sequence in context: A138211 A052668 A121423 * A101483 A099716 A113130
Adjacent sequences: A074929 A074930 A074931 * A074933 A074934 A074935
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KEYWORD
| nonn,easy
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Oct 02, 2002
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