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A097292
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Rectangular array T, by antidiagonals: T(n,k) = rank of n in A097291 at which the pair (n,k) occurs.
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2
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1, 2, 4, 5, 3, 9, 10, 8, 7, 16, 17, 13, 6, 12, 25, 26, 20, 15, 14, 19, 36, 37, 29, 22, 11, 21, 28, 49, 50, 40, 31, 24, 23, 30, 39, 64, 65, 53, 42, 33, 18, 32, 41, 52, 81, 82, 68, 55, 44, 35, 34, 43, 54, 67, 100, 101, 85, 70, 57, 46, 27, 45, 56, 69, 84, 121
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OFFSET
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1,2
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COMMENTS
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Main diagonal is 2+(n-1)^2 for n>1, cf. A010000.
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LINKS
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EXAMPLE
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Northwest corner:
1 2 5 10
4 3 8 13
9 7 6 15
16 12 14 11
T(3,4) = 15 because in A097291, the pair 3,4 occurs at positions 15,16.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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