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Search: id:A082018
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| A082018 |
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In the following square array, numbers (not occurring earlier) are entered like this a(1,1),a(1,2),a(2,1),a(3,1),a(2,2),a(1,3),a(1,4),a(2,3),a(3,2),a(4,1),a(5,1),a(4,2),... such that the n-th diagonal sum is a multiple of n. 1 2 7 6 18... 4 5 8 14... 3 9 12... 13 11... 10... ... sequence contains the first column. |
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+0
4
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OFFSET
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1,2
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CROSSREFS
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Cf. A074135, A082017, A082019, A082020.
Sequence in context: A054908 A141826 A120340 this_sequence A056477 A105200 A088933
Adjacent sequences: A082015 A082016 A082017 this_sequence A082019 A082020 A082021
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KEYWORD
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more,nonn,uned
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 05 2003
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EXTENSIONS
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Needs editing - see A082002, A082003, A082004, A082005 for a model. - N. J. A. Sloane (njas(AT)research.att.com).
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