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 A281546 #22 Dec 08 2024 14:16:16
%S A281546 2,29,56,83,110,137,164,191,218,245,272,299,326,353,380,407,434,461,
%T A281546 488,515,542,569,596,623,650,677,704,731,758,785,812,839,866,893,920,
%U A281546 947,974,1001,1028,1055,1082,1109,1136,1163,1190,1217,1244,1271,1298,1325,1352,1379,1406,1433
%N A281546 a(n) = 27*n + 2.
%H A281546 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).
%F A281546 From _Elmo R. Oliveira_, Dec 08 2024: (Start)
%F A281546 G.f.: (2 + 25*x)/(1 - x)^2.
%F A281546 E.g.f.: (2 + 27*x)*exp(x).
%F A281546 a(n) = 2*a(n-1) - a(n-2) for n >= 2. (End)
%p A281546 A281546:=n->27*n+2: seq(A281546(n), n=0..100); # _Wesley Ivan Hurt_, Feb 01 2017
%t A281546 27 Range[0, 53] + 2 (* _Michael De Vlieger_, Jan 24 2017 *)
%t A281546 LinearRecurrence[{2,-1},{2,29},60] (* _Harvey P. Dale_, Jul 04 2022 *)
%o A281546 (Magma) [27*n+2: n in [0..50]];
%o A281546 (PARI) a(n)=27*n+2 \\ _Charles R Greathouse IV_, Feb 06 2017
%Y A281546 Column 3 of A281334.
%Y A281546 Supersequence of A141949.
%K A281546 nonn,easy
%O A281546 0,1
%A A281546 _Juri-Stepan Gerasimov_, Jan 23 2017