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A061521
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a(0) = 1; a(n) is obtained by incrementing each digit of a(n-1) by 6.
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0
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1, 7, 13, 79, 1315, 79711, 13151377, 79711791313, 1315137713157979, 797117913137971113151315, 1315137713157979131513777971179711, 797117913137971113151315797117913131315137713151377, 131513771315797913151377797117971113151377131579797971179131379711791313
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OFFSET
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0,2
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COMMENTS
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In A061511-A061522, A061746-A061750 when the incremented digit exceeds 9 it is written as a 2-digit string. So 9+1 becomes the 2-digit string 10, etc.
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LINKS
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MATHEMATICA
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NestList[FromDigits[Flatten[IntegerDigits/@(IntegerDigits[#]+6)]]&, 1, 15] (* Harvey P. Dale, May 21 2015 *)
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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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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), May 11 2001
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STATUS
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approved
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