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A207829
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First line of square array such that T[n+1,k] = | T[n,k] +/- T[n,k+1] |, filling antidiagonals with the smallest possible positive integers not occurring earlier.
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3
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1, 2, 4, 7, 8, 10, 13, 12, 16, 20, 19, 32, 24, 34, 29, 40, 31, 45, 52, 42, 62, 81, 46, 47, 83, 55, 70, 91, 67, 78, 98, 61, 80, 106, 105, 84, 99, 120, 131, 142, 149, 164, 113, 118, 171, 111, 135, 134, 177, 180
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OFFSET
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1,2
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COMMENTS
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First 50 terms computed by A. Groeneveld.
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LINKS
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CROSSREFS
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The full table is given in A207831.
A variant of this sequence is given in A207827.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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