%I #10 Aug 06 2021 06:58:59
%S 120,210,1035,2080,4095,4560,4950,5460,9045,13530,15400,17020,17205,
%T 17578,19306,20100,20503,20706,23005,30135,30628,36046,37401,40186,
%U 43071,43660,46360,46971,50721,51040,52003,53301,60031,63190,66430
%N Triangular numbers whose digit permutations yield at least two further triangular numbers.
%e 120 yields 21 and 210; 210 yields 21 and 120.
%Y Cf. A000217, A077671, A095869, A095870.
%K nonn,base
%O 1,1
%A _Amarnath Murthy_, Apr 06 2002
%E Edited, corrected and extended by _Ray Chandler_, Jun 29 2004
%E Offset changed to 1 by _Jinyuan Wang_, Aug 06 2021