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A158022
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Integers n such that all the digits needed to write the consecutive nonnegative integers from 0 to n fill exactly a square (no holes, no overlaps).
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10
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0, 3, 8, 12, 22, 36, 54, 76, 101, 121, 132, 156, 169, 197, 212, 244, 261, 297, 316, 356, 377, 421, 444, 492, 517, 569, 596, 652, 681, 741, 772, 836, 869, 937, 972, 10221, 10626, 11041, 11466, 11901, 12346, 12801, 13266, 13741, 14226, 14721, 15226
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OFFSET
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1,2
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COMMENTS
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The sides of the successive squares are given by A158023. Terms computed by Jean-Marc Falcoz.
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LINKS
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EXAMPLE
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...0...01...012...0123...012345
.......23...345...4567...678910
............678...8910...111213
..................1112...141516
.........................171819
.........................202122
The integers fitting exactly in the SE corner of the above squares are 0, 3, 8, 12, 22. There is no 5x5 square where this is possible.
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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