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A080216
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First C(n,j) binomial coefficients are reduced modulo j, j=1,..n (0 is omitted); a(n) is the largest residue in the n-th row i.e. if n is fixed and j runs over {1,..,n}.
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0
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0, 1, 1, 1, 1, 3, 3, 4, 2, 5, 5, 7, 7, 7, 11, 8, 8, 9, 9, 13, 16, 11, 11, 15, 15, 13, 21, 18, 18, 18, 18, 18, 26, 26, 21, 25, 25, 21, 31, 28, 28, 29, 29, 31, 39, 27, 27, 36, 34, 31, 41, 34, 34, 45, 45, 36, 46, 46, 46, 43, 43, 41, 51, 40, 48, 52, 52, 52, 56, 44, 44, 52, 52, 57, 61
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OFFSET
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1,6
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LINKS
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Table of n, a(n) for n=1..75.
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FORMULA
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a(n)=Max{Mod[C(n, j), j], n=1..n}
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EXAMPLE
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n=13: {Mod[C[13,j],j],j=1..13}={0,0,1,3,2,0,1,7,4,6,1,1,1} so largest 7=a(13).
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MATHEMATICA
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Table[Max[Table[Mod[Binomial[n, j], j], {j, 1, n}]], {n, 1, 256]
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CROSSREFS
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Cf. A007318, A081370, A081371, A080217.
Sequence in context: A179561 A062366 A057937 * A082924 A159636 A023647
Adjacent sequences: A080213 A080214 A080215 * A080217 A080218 A080219
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Mar 21 2003
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STATUS
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approved
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