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

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

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: A296515 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