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 A364418 #25 Apr 27 2024 16:49:00 %S A364418 3,102,10260,3267540,3272495580,10170919805580,97112573496153540, %T A364418 2829427113881208115260,250440846963119234063024220, %U A364418 67143197168392738521628168122420,54411613647618445838464808052508179060 %N A364418 The sum of the weights of the stones-and-bones tilings of the (n,2n-4)-benzel, where each stone is given multiplicative weight 3. %C A364418 See Problem 17 of the Propp article. It is conjectured that a(n) is 2-adically continuous as a function of n > 4. %D A364418 J. Propp, Trimer covers in the triangular grid: twenty mostly open problems, to appear. %H A364418 James Propp, <a href="/A364418/b364418.txt">Table of n, a(n) for n = 3..17</a> %H A364418 James Propp, <a href="https://arxiv.org/abs/2206.06472">Trimer covers in the triangular grid: twenty mostly open problems</a>, arXiv:2206.06472 [math.CO], 2022. %Y A364418 Cf. A352207, A364416, A364417, A364438, A364481, A364482, A364483. %K A364418 nonn %O A364418 3,1 %A A364418 _James Propp_, Jul 23 2023