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Search: id:A050406
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| 1, 16, 91, 336, 966, 2352, 5082, 10032, 18447, 32032, 53053, 84448, 129948, 194208, 282948, 403104, 562989, 772464, 1043119, 1388464, 1824130, 2368080, 3040830, 3865680, 4868955, 6080256, 7532721, 9263296
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OFFSET
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0,2
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REFERENCES
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A. H. Beiler, Recreations in the Theory of Numbers, Dover, N.Y., 1964, pp. 194-196.
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FORMULA
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a(n)=C(n+5, 5)*(5n+3)/3.
G.f.: (1+9*x)/(1-x)^7.
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CROSSREFS
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Cf. A051880.
Cf. A093645 ((10, 1) Pascal, column m=6).
Sequence in context: A119771 A055920 A055856 this_sequence A047674 A027938 A108676
Adjacent sequences: A050403 A050404 A050405 this_sequence A050407 A050408 A050409
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KEYWORD
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easy,nonn
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AUTHOR
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Barry E. Williams, Dec 21 1999
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EXTENSIONS
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Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 09 2006
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