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A067717
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a(n+1) is the smallest square > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(0)=4.
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0
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4, 49, 1849, 18496, 134689, 1338649, 3319684, 13380964, 30891364, 38390416, 93683041, 103693489, 139098436, 318693904, 433180969, 803949316, 1036389249, 1836293904, 2893041369, 3029841936, 3103269849, 3134096289, 3321908496
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OFFSET
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0,1
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COMMENTS
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a(n) for n>0 remains the same when a(0)=9.
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LINKS
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FORMULA
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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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