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A071987
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225 written in base 15-n.
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0
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100, 121, 144, 169, 195, 225, 270, 341, 441, 1013, 1400, 3201, 22100, 11100001
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,1
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COMMENTS
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Interesting because the beginning is so close to a sequence of perfect squares to base ten. Only 195 is different; it would be 196 in a sequence of perfect squares.
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LINKS
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EXAMPLE
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a(0) = 100 because we can write 225 = 100 (base 15).
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MAPLE
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seq((l-> parse(cat(seq(l[-i], i=1..nops(l)))))(convert(
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MATHEMATICA
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Array[FromDigits@ IntegerDigits[225, 15 - #] &, 14, 0] (* Michael De Vlieger, Mar 10 2020 *)
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PROG
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(PARI) a(n) = fromdigits(digits(225, 15-n));
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CROSSREFS
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KEYWORD
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base,fini,full,nonn
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AUTHOR
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Philip R. Turner (Phil.Turner(AT)cern.ch), Jun 17 2002
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EXTENSIONS
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STATUS
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approved
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