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A135943
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Numbers with a digit-sum which is a multiple of 3 and with sorted digits forming an arithmetic progression.
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0
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3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 120, 123, 132, 135, 147, 150, 153, 159, 174, 180, 195, 201, 204, 207, 210, 213, 222, 231, 234, 240, 243, 246, 258, 264, 270, 285
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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While checking for an arithmetic progression, leading zeros are discarded. With 108,
for example, digits sorting gives 018, and this represents 18 where 1 and 8 are in arithmetic progression.
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LINKS
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Table of n, a(n) for n=1..63.
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CROSSREFS
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Cf. A008585.
Sequence in context: A008585 A031193 A008486 * A194416 A036686 A194423
Adjacent sequences: A135940 A135941 A135942 * A135944 A135945 A135946
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KEYWORD
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base,easy,nonn
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AUTHOR
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Giovanni Teofilatto, Mar 02 2008
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EXTENSIONS
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Edited and extended by R. J. Mathar, Nov 01 2009
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STATUS
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approved
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