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A135943 Numbers with a digit-sum which is a multiple of 3 and with sorted digits forming an arithmetic progression. 0
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)
OFFSET

1,1

COMMENTS

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.

LINKS

Table of n, a(n) for n=1..63.

CROSSREFS

Cf. A008585.

Sequence in context: A031193 A008585 A008486 * A194416 A036686 A329926

Adjacent sequences:  A135940 A135941 A135942 * A135944 A135945 A135946

KEYWORD

base,easy,nonn

AUTHOR

Giovanni Teofilatto, Mar 02 2008

EXTENSIONS

Edited and extended by R. J. Mathar, Nov 01 2009

STATUS

approved

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Last modified January 24 07:58 EST 2022. Contains 350534 sequences. (Running on oeis4.)