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Search: id:A049349
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| 1, 7, 29, 103, 405, 1599, 6141, 23863, 92773, 359791, 1396493, 5421415, 21041397, 81670431, 317005341, 1230432919, 4775854213, 18537264079, 71951401517, 279275580103, 1083993881877, 4207466012031, 16331061009213
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OFFSET
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1,2
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COMMENT
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p(3,x) is row polynomial corresponding to triangle row A033842(3,m).
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LINKS
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W. Lang, On generalizations of Stirling number triangles, J. Integer Seqs., Vol. 3 (2000), #00.2.4.
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FORMULA
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G.f.: x*(1+6*x+16*x^2+16*x^3)/(1-x-6*x^2-16*x^3-16*x^4) = x*p(3, x)/(1-x*p(3, x)) with x*p(3, x) G.f. for first column of A049325.
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CROSSREFS
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Sequence in context: A042609 A002941 A102485 this_sequence A124828 A037094 A118171
Adjacent sequences: A049346 A049347 A049348 this_sequence A049350 A049351 A049352
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KEYWORD
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easy,nonn
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AUTHOR
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Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)
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