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 A308196 #15 Nov 14 2023 08:29:37
%S A308196 1,5,13,19,25,31,37,43,49,55,61,67,73,79,85,91,97,103,109,115,121,127,
%T A308196 133,139,145,151,157,163,169,175,181,187,193,199,205,211,217,223,229,
%U A308196 235,241,247,253,259,265,271,277,283,289,295,301,307,313,319,325,331,337,343,349,355
%N A308196 Partial sums of A063808.
%C A308196 Growth series for Z as generated by {2, 3}.
%D A308196 Avinoam Mann, How Groups Grow, London Mathematical Society Lecture Note Series, Vol. 335, Cambridge University Press, 2012; ISBN: 1107657504,9781107657502. See Example 6, page 3.
%H A308196 Paolo Xausa, <a href="/A308196/b308196.txt">Table of n, a(n) for n = 0..1000</a>
%H A308196 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1).
%F A308196 a(n) = A271114(n) = A016921(n) = 6n+1 for n>=2. - _R. J. Mathar_, Jul 22 2021
%t A308196 Accumulate[PadRight[{1,4,8},100,6]] (* _Paolo Xausa_, Nov 14 2023 *)
%Y A308196 Cf. A063808, A016921, A271114.
%K A308196 nonn,easy
%O A308196 0,2
%A A308196 _N. J. A. Sloane_, Jun 21 2019