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%I #7 Aug 18 2020 04:23:13
%S 0,3,6,36,66,300,630,666,903,990,3003,6903,33930,39060,39903,63903,
%T 66066,69006,93096,306936,333336,339900,600060,609960,630003,669903,
%U 690900,833986,930930,936396,963966,3036880,3069003,3083886,3306306,3689686,3966336,3988900
%N Triangular numbers using only the curved digits 0, 3, 6, 8 and 9.
%H Amiram Eldar, <a href="/A079653/b079653.txt">Table of n, a(n) for n = 1..10000</a>
%t t[n_] := n*(n + 1)/2; t /@ Select[Range[0, 10000], AllTrue[IntegerDigits[t[#]], MemberQ[{0, 3, 6, 8 , 9}, #1] &] &] (* _Amiram Eldar_, Aug 18 2020 *)
%Y Intersection of A000217 and A072960.
%K base,nonn
%O 1,2
%A _Shyam Sunder Gupta_, Jan 23 2003
%E a(1) = 0 and more terms from _Amiram Eldar_, Aug 18 2020