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A308881
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Irregular array read by rows: row k (k>=1) contains k^2 numbers, formed by filling in a k X k square by upwards antidiagonals so entries in all rows, columns, diagonals, antidiagonals are distinct, and then reading that square across rows.
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2
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0, 0, 2, 1, 3, 0, 2, 1, 1, 3, 4, 2, 0, 5, 0, 2, 1, 5, 1, 3, 4, 0, 2, 0, 5, 1, 3, 1, 2, 4, 0, 2, 1, 5, 3, 1, 3, 4, 0, 6, 2, 0, 5, 1, 7, 3, 1, 2, 4, 0, 4, 5, 0, 3, 1, 0, 2, 1, 5, 3, 4, 1, 3, 4, 0, 7, 2, 2, 0, 5, 1, 6, 9, 3, 1, 2, 4, 0, 5, 4, 6, 0, 3, 1, 7, 5, 7, 8, 6, 4, 10
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OFFSET
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1,3
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COMMENTS
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The first row of the k X k square converges to A295563 as k increases.
When filling in the k X k square, always choose the smallest possible number. Each k X k square is uniquely determined.
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LINKS
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EXAMPLE
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The first eight squares are (here A=10, B=11, C=12):
0
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02
13
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021
134
205
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0215
1340
2051
3124
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02153
13406
20517
31240
45031
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021534
134072
205169
312405
460317
57864A
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0215349
1340725
2051864
3124058
4603172
5786493
6432587
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0215349A
13407258
20518643
31240786
4603152B
5786493C
64325879
756893A2
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CROSSREFS
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KEYWORD
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nonn,tabf
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AUTHOR
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STATUS
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approved
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