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A101217
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Base-4 representation of positive integers whose base-2 run-length representation is the same as their base-4 representation.
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0
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1, 113, 321, 11313, 32113, 1131313, 3211313, 113131313, 321131313, 11313131313, 32113131313, 1131313131313, 3211313131313
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OFFSET
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1,2
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LINKS
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EXAMPLE
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The base-2 run-length representation 11313 represents the base-2 number 101110111, which is 375 (base 10). But 375 = 11313 (base 4); thus 11313 is a term of the sequence.
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CROSSREFS
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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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