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Search: id:A082741
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| A082741 |
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Numbers that have digits consisting only of line segments or both line segments and curves (base 10 digits are 1, 2, 4, 5, 7). |
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+0 1
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| 1, 2, 4, 5, 7, 11, 12, 14, 15, 17, 21, 22, 24, 25, 27, 41, 42, 44, 45, 47, 51, 52, 54, 55, 57, 71, 72, 74, 75, 77, 111, 112, 114, 115, 117, 121, 122, 124, 125, 127, 141, 142, 144, 145, 147, 151, 152, 154, 155, 157, 171, 172, 174, 175, 177, 211, 212, 214, 215, 217, 221
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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This sequence allows the digits 2 and 5, formed from combinations of line segments and curves; the subsequence A028373 does not.
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CROSSREFS
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Cf. A028373 (line-segment digits 1, 4, 7 only), A028374 (digits with curves or both curves and line segments), A072960 (curved digits 0, 3, 6, 8, 9 only).
Sequence in context: A092295 A145734 A027936 this_sequence A099522 A108464 A128815
Adjacent sequences: A082738 A082739 A082740 this_sequence A082742 A082743 A082744
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KEYWORD
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base,nonn
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AUTHOR
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Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 21 2003
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