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A057946
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Bad hexadecimal notation for n: write n in hexadecimal notation, replacing digit ten by "10", digit eleven by "11", ... and digit fifteen by "15".
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3
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 110, 111, 112, 113, 114, 115, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 210, 211, 212, 213, 214, 215, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 310, 311, 312, 313, 314, 315, 40, 41
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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EXAMPLE
| a(15)=15 since it is represented by the digit "15" base 16. a(21)=15 since it is represented by the digit "1" followed by the digit "5" base 16.
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CROSSREFS
| Cf. A057947 for ambiguous numbers, A055645 for a better representation of hexadecimal.
Sequence in context: A056962 A043275 A058035 * A117657 A106618 A080684
Adjacent sequences: A057943 A057944 A057945 * A057947 A057948 A057949
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KEYWORD
| base,dumb,easy,nonn
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AUTHOR
| Henry Bottomley (se16(AT)btinternet.com), Oct 13 2000
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