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 A382675 #6 Apr 03 2025 08:58:59 %S A382675 1,10,52,208,736,2440,7792,24328,74896,228520,693232,2095048,6315856, %T A382675 19009000,57149872,171695368,515577616,1547715880,4645113712, %U A382675 13939273288,41825684176,125492781160,376509800752,1129592316808,3388902779536,10166959996840 %N A382675 a(n) = 4 - 15 * 2^n + 12 * 3^n. %o A382675 (PARI) a(n) = 4-15*2^n+12*3^n; %Y A382675 Column k=2 of A382673. %Y A382675 Row n=2 of A382673. %K A382675 nonn,easy %O A382675 0,2 %A A382675 _Seiichi Manyama_, Apr 03 2025