|
%I #3 Mar 30 2012 17:36:44
%S 123,135,147,159,234,246,258,345,357,369,456,468,567,579,678,789,1234,
%T 1357,1611,1713,1815,1917,2345,2468,2610,2712,2814,2916,3456,3579,
%U 3711,3813,3915,4567,4710,4812,4914,5678,5811,5913,6789,6810,6912,7911,8910
%N Concatenation of 3 or more numbers in arithmetic progression with positive common difference.
%C Leading zeros are not permitted. This sequence, A119427 and the three-digit and larger terms of A010785 are subsequences of A034840.
%e 159 is the concatenation of 1, 5 and 9, which have common difference (c.d.) 4.
%e The term 12345, the concatenation of 1, 2, 3, 4 and 5 (c.d. 1), is also the concatenation of 1, 23 and 45 (with c.d. 22).
%Y Cf. A119427, A010785, A034840.
%K base,nonn
%O 0,1
%A _Rick L. Shepherd_, May 22 2006
|
