This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A372070 #3 May 25 2024 15:21:26 %S A372070 6,10,66,78,190,210,378,406,630,666,946,990,1326,1378,1770,1830,2278, %T A372070 2346,2850,2926,3486,3570,4186,4278,4950,5050,5778,5886,6670,6786, %U A372070 7626,7750,8646,8778,9730,9870,10878,11026,12090,12246,13366,13530,14706,14878,16110,16290,17578,17766,19110 %N A372070 Triangular numbers that are 2 mod 4. %Y A372070 Cf. A000217. %K A372070 nonn %O A372070 1,1 %A A372070 _N. J. A. Sloane_, May 25 2024