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Search: id:A027484
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| 15, 120, 510, 1560, 3885, 8400, 16380, 29520, 49995, 80520, 124410, 185640, 268905, 379680
(list; graph; listen)
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OFFSET
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2,1
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COMMENT
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Row sums in a pandiagonal magic 4D-cube with entries (0..n^4-1).
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LINKS
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S. Gartenhaus, Odd order pandiagonal latin and magic cubes....
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FORMULA
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Numerators of sequence a[ n, n-1 ] in (a[ i, j ])^4 where a[ i, j ] = s(i, j)/i! if j<=i, 0 if j>i
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MATHEMATICA
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Table[(m^5 - m)/2, {m, 34}] - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 21 2007
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CROSSREFS
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Second diagonal of A027479.
Sequence in context: A125352 A126510 A139615 this_sequence A126898 A010967 A022580
Adjacent sequences: A027481 A027482 A027483 this_sequence A027485 A027486 A027487
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KEYWORD
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nonn
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AUTHOR
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Olivier Gerard (olivier.gerard(AT)gmail.com)
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